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• 
  Species:
  Liobagrus marginatus
  
  Caption: Albino - close-up of head
• 
  Species:
  Malapterurus electricus
  
  Caption: Albino - close-up of head
• 
  Species:
  Synodontis soloni
  
  Caption: Albino - close-up of head
• 
  Species:
  Atopochilus sp. (1)
  
  Caption: Albino - close-up of mouth
• 
  Species:
  Bagrichthys hypselopterus
  
  Caption: Albino, close-up of head
• 
  Species:
  Hemiancistrus punctulatus
  
  Caption: Canada del vigia, Uruguay; Close-up of mouth
• 
  Species:
  Amphilius platychir
  
  Caption: Close-up
• 
  Species:
  Entomocorus gameroi
  
  Caption: Close-up
• 
  Species:
  Pseudomystus cf. stenomus
  
  Caption: Close-up
• 
  Species:
  Phreatobius dracunculus
  
  Caption: Close-up (from arrow, left) lateritic well wall
• 
  Species:
  Loricaria birindellii
  
  Caption: Close-up dorsal view
• 
  Species:
  Rhadinoloricaria sp. `PERU`
  
  Caption: Close-up dorsal view
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Close-up dorsal view
• 
  Species:
  Synodontis granulosus
  
  Caption: Close-up dorsal view of head
• 
  Species:
  Panaque sp. (L191)
  
  Caption: Close-up eating cucmber
• 
  Species:
  Otocinclus vittatus
  
  Caption: Close-up lateral view
• 
  Species:
  Otocinclus vittatus
  
  Caption: Close-up lateral view of head
• 
  Species:
  Ancistrus cirrhosus
  
  Caption: Close-up of "hook-like" evertible spines
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Close-up of "vampire" teeth
• 
  Species:
  Bagarius bagarius
  
  Caption: Close-up of a mouthful of teeth!
• 
  Species:
  Glyptothorax chimtuipuiensis
  
  Caption: Close-up of adhesive apparatus
• 
  Species:
  Pseudecheneis koladynae
  
  Caption: Close-up of adhesive apparatus.
• 
  Species:
  Pseudecheneis sympelvica
  
  Caption: Close-up of adhesive disc
• 
  Species:
  Tatia jaracatia
  
  Caption: Close-up of adipose and anal fin
• 
  Species:
  Hypostomus coppenamensis
  
  Caption: Close-up of adipose fin
• 
  Species:
  Hypostomus micromaculatus
  
  Caption: Close-up of adipose fin
• 
  Species:
  Aguarunichthys torosus
  
  Caption: Close-up of adult head
• 
  Species:
  Pseudeutropius indigens
  
  Caption: Close-up of anal fin detail
• 
  Species:
  Pseudeutropius brachypopterus
  
  Caption: Close-up of anal fin ray detail
• 
  Species:
  Hypostomus sp. `RIO PAYAMINO`
  
  Caption: Close-up of anterior
• 
  Species:
  Ancistrus sp. (L120)
  
  Caption: Close-up of barbed hooks
• 
  Species:
  Ossancora eigenmanni
  
  Caption: Close-up of barbels
• 
  Species:
  Pimelodella sp. `COLOMBIA`
  
  Caption: Close-up of barbels
• 
  Species:
  Planiloricaria cryptodon
  
  Caption: Close-up of barbels
• 
  Species:
  Mochokiella paynei
  
  Caption: Close-up of barbels
• 
  Species:
  Synodontis batensoda
  
  Caption: Close-up of barbels
• 
  Species:
  Synodontis membranaceus
  
  Caption: Close-up of barbels
• 
  Species:
  Leiarius pictus
  
  Caption: Close-up of barbels
• 
  Species:
  Hemidoras stenopeltis
  
  Caption: Close-up of barbles
• 
  Species:
  Synodontis petricola
  
  Caption: Close-up of blunt head variant
• 
  Species:
  Megalodoras uranoscopus
  
  Caption: Close-up of body armour plates
• 
  Species:
  Scleromystax barbatus
  
  Caption: Close-up of body armour scutes
• 
  Species:
  Leporacanthicus cf. galaxias(l241)
  
  Caption: Close-up of body odontodes
• 
  Species:
  Nannoptopoma sp. (LDA110)
  
  Caption: Close-up of body odontodes
• 
  Species:
  Liosomadoras oncinus
  
  Caption: Close-up of body pattern
• 
  Species:
  Dianema longibarbis
  
  Caption: Close-up of bubblenest
• 
  Species:
  Hypostomus micromaculatus
  
  Caption: Close-up of caudal
• 
  Species:
  Bagrichthys macracanthus
  
  Caption: Close-up of caudal area
• 
  Species:
  Mystus ankutta
  
  Caption: Close-up of caudal area
• 
  Species:
  Brochis (sub-clade 3) crimmeni
  
  Caption: Close-up of caudal area
• 
  Species:
  Gladioglanis anacanthus
  
  Caption: Close-up of caudal area
• 
  Species:
  Gladioglanis machadoi
  
  Caption: Close-up of caudal area
• 
  Species:
  Chaetostoma dupouii
  
  Caption: Close-up of caudal area
• 
  Species:
  Peckoltia braueri
  
  Caption: Close-up of caudal area
• 
  Species:
  Auchenipterichthys coracoideus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Tatia jaracatia
  
  Caption: Close-up of caudal fin
• 
  Species:
  Tatia sp. (2)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Batasio fasciolatus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hemibagrus olyroides
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hyalobagrus flavus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Olyra longicaudata
  
  Caption: Close-up of caudal fin
• 
  Species:
  Brochis (sub-clade 3) ambiacus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Brochis (sub-clade 3) sp. (C141)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Brochis (sub-clade 3) sp. (Cw160)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma boesemani
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma loretoense
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma schwartzi
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma simile
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma simile
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma sipaliwini
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma sp. (Cw028)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma sp. (Cw133)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hoplisoma tukano
  
  Caption: Close-up of caudal fin
• 
  Species:
  Osteogaster zygata
  
  Caption: Close-up of caudal fin
• 
  Species:
  Scleromystax barbatus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hemidoras boulengeri
  
  Caption: Close-up of caudal fin
• 
  Species:
  Tenellus leporhinus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Pimelodella sp. `RIO VENTUARI`
  
  Caption: Close-up of caudal fin
• 
  Species:
  Ictalurus furcatus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Acestridium triplax
  
  Caption: Close-up of caudal fin
• 
  Species:
  Ancistomus snethlageae
  
  Caption: Close-up of caudal fin
• 
  Species:
  Ancistrus aguaboensis
  
  Caption: Close-up of caudal fin
• 
  Species:
  Ancistrus damasceni
  
  Caption: Close-up of caudal fin
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Baryancistrus chrysolomus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Chaetostoma dorsale
  
  Caption: Close-up of caudal fin
• 
  Species:
  Chaetostoma sp. (L402)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Harttia punctata
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hemiancistrus guahiborum
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hemiancistrus subviridis
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hemiodontichthys acipenserinus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus contradens
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus debilittera
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L136)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L262)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L333)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L400)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L411)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L471)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L500)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus sp. (L527)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus yudja
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypancistrus zebra
  
  Caption: Close-up of caudal fin
• 
  Species:
  Hypostomus faveolus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Lasiancistrus heteracanthus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Lasiancistrus heteracanthus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Lasiancistrus sp. (L033)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Leporacanthicus cf. galaxias(l241)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Close-up of caudal fin
• 
  Species:
  Leporacanthicus triactis
  
  Caption: Close-up of caudal fin
• 
  Species:
  Loricaria lata
  
  Caption: Close-up of caudal fin
• 
  Species:
  Loricaria simillima
  
  Caption: Close-up of caudal fin
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of caudal fin
• 
  Species:
  Panaqolus nocturnus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Panaqolus tankei
  
  Caption: Close-up of caudal fin
• 
  Species:
  Parancistrus sp. (LDA046)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Peckoltia sp. (L205)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Peckoltia sp. (L209)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Peckoltia sp. (L209)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Peckoltia sp. (L265)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Planiloricaria cryptodon
  
  Caption: Close-up of caudal fin
• 
  Species:
  Pseudacanthicus sp. (L097)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Pseudacanthicus sp. (L273)
  
  Caption: Close-up of caudal fin
• 
  Species:
  Pseudohemiodon laticeps
  
  Caption: Close-up of caudal fin
• 
  Species:
  Pseudohemiodon platycephalus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Pseudohemiodon unillano
  
  Caption: Close-up of caudal fin
• 
  Species:
  Rineloricaria eigenmanni
  
  Caption: Close-up of caudal fin
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Close-up of caudal fin
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of caudal fin
• 
  Species:
  Scobinancistrus cf. pariolispos
  
  Caption: Close-up of caudal fin
• 
  Species:
  Sturisoma rostratum
  
  Caption: Close-up of caudal fin
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Close-up of caudal fin
• 
  Species:
  Erethistes jerdoni
  
  Caption: Close-up of caudal fin
• 
  Species:
  Isorineloricaria acuarius
  
  Caption: Close-up of caudal fin of adult
• 
  Species:
  Mystus bimaculatus
  
  Caption: Close-up of caudal peduncle
• 
  Species:
  Lithodoras dorsalis
  
  Caption: Close-up of caudal peduncle and tail
• 
  Species:
  Otocinclus vittatus
  
  Caption: Close-up of caudal pigmentation
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Close-up of caudal view
• 
  Species:
  Plotosus papuensis
  
  Caption: Close-up of dendritic organ
• 
  Species:
  Farlowella platorynchus
  
  Caption: Close-up of developing eggs
• 
  Species:
  Erethistes pusillus
  
  Caption: Close-up of divergent spines
• 
  Species:
  Hemibagrus olyroides
  
  Caption: Close-up of dorasl fin
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Close-up of dorsal
• 
  Species:
  Orinocodoras eigenmanni
  
  Caption: Close-up of dorsal area
• 
  Species:
  Bunocephalus verrucosus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Auchenipterichthys coracoideus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Centromochlus musaicus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Liosomadoras morrowi
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Tatia jaracatia
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Batasio fasciolatus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hyalobagrus flavus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Brochis (sub-clade 3) ambiacus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Brochis (sub-clade 3) crimmeni
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Brochis (sub-clade 3) seussi
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Brochis (sub-clade 3) sp. (C141)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Brochis (sub-clade 3) sp. (Cw160)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma boesemani
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma loretoense
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma schwartzi
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma sipaliwini
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma sp. (Cw028)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma sp. (Cw133)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hoplisoma tukano
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Osteogaster sp. (Cw009)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Scleromystax barbatus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hemidoras boulengeri
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pimelodella sp. `RIO VENTUARI`
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pimelodella sp. `RIO VENTUARI`
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistomus snethlageae
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus aguaboensis
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus damasceni
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus sp. `RIO TOCANTINS`
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus sp. (L088)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus sp. (L349)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus sp. (L513)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Ancistrus sp. (L519)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Aphanotorulus ammophilus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Aphanotorulus emarginatus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Baryancistrus chrysolomus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Chaetostoma dupouii
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Chaetostoma sp. (L402)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Harttia punctata
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hemiancistrus guahiborum
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hemiancistrus subviridis
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus contradens
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus debilittera
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L136)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L262)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L333)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L400)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L411)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L471)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L500)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypancistrus sp. (L527)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypostomus basilisko
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypostomus roseopunctatus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Hypostomus sp. (L245)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Lamontichthys llanero
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Lasiancistrus heteracanthus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Leporacanthicus triactis
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Loricaria lata
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Loricaria nimairaco
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Loricaria simillima
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Oxyropsis wrightiana
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Panaqolus nocturnus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Panaqolus sp. (L206)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Panaqolus tankei
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Parancistrus sp. (LDA046)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Parotocinclus haroldoi
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Peckoltia braueri
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Peckoltia compta
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Peckoltia compta
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Peckoltia sabaji
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Peckoltia sp. (L080)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Peckoltia sp. (L205)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Peckoltia sp. (L265)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pseudacanthicus sp. (L097)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pseudacanthicus sp. (L273)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pseudacanthicus spinosus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pseudohemiodon platycephalus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pseudohemiodon unillano
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Pterygoplichthys scrophus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Rineloricaria aurata
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Rineloricaria sp. (5)
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Scobinancistrus cf. pariolispos
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Spectracanthicus zuanoni
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Close-up of dorsal fin
• 
  Species:
  Auchenoglanis senegali
  
  Caption: Close-up of dorsal fin-110 mm SL
• 
  Species:
  Hypancistrus yudja
  
  Caption: Close-up of dorsal fin.
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of dorsal fin. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Close-up of dorsal odontodes
• 
  Species:
  Noturus gyrinus
  
  Caption: Close-up of dorsal view
• 
  Species:
  Loricaria nimairaco
  
  Caption: Close-up of dorsal view
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Close-up of dorsal view
• 
  Species:
  Sturisomatichthys aureus
  
  Caption: Close-up of dorsal view
• 
  Species:
  Trachelyopterus sp. (2)
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Chaca bankanensis
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Chaca chaca
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Dolichancistrus fuesslii
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Rineloricaria melini
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Brachyplatystoma tigrinum
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Sisor chennuah
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Trachelyichthys exilis
  
  Caption: Close-up of egg (day 1)
• 
  Species:
  Tatia intermedia
  
  Caption: Close-up of egg mass
• 
  Species:
  Aspidoras raimundi
  
  Caption: Close-up of eggs
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Close-up of eggs
• 
  Species:
  Farlowella platorynchus
  
  Caption: Close-up of eggs
• 
  Species:
  Parotocinclus jumbo
  
  Caption: Close-up of eggs
• 
  Species:
  Pseudohemiodon sp. `MARBLED`
  
  Caption: Close-up of eggs (day 10)
• 
  Species:
  Pseudohemiodon sp. `MARBLED`
  
  Caption: Close-up of eggs (day 4)
• 
  Species:
  Asterophysus batrachus
  
  Caption: Close-up of extended mouth
• 
  Species:
  Auchenoglanis senegali
  
  Caption: Close-up of eye
• 
  Species:
  Brochis (sub-clade 3) haraldschultzi
  
  Caption: Close-up of eye
• 
  Species:
  Ancistrus ranunculus
  
  Caption: Close-up of eye
• 
  Species:
  Ancistrus sp. (L327)
  
  Caption: Close-up of eye
• 
  Species:
  Baryancistrus sp. (L142)
  
  Caption: Close-up of eye
• 
  Species:
  Hypancistrus sp. (L527)
  
  Caption: Close-up of eye
• 
  Species:
  Hypostomus coppenamensis
  
  Caption: Close-up of eye
• 
  Species:
  Hypostomus luteomaculatus
  
  Caption: Close-up of eye
• 
  Species:
  Hypostomus luteus
  
  Caption: Close-up of eye
• 
  Species:
  Hypostomus oculeus
  
  Caption: Close-up of eye
• 
  Species:
  Hypostomus soniae
  
  Caption: Close-up of eye
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Close-up of eye
• 
  Species:
  Panaqolus nocturnus
  
  Caption: Close-up of eye
• 
  Species:
  Panaque cf. armbrusteri`araguaia`
  
  Caption: Close-up of eye
• 
  Species:
  Panaque cochliodon
  
  Caption: Close-up of eye
• 
  Species:
  Panaque nigrolineatus laurafabianae
  
  Caption: Close-up of eye
• 
  Species:
  Peckoltia vittata
  
  Caption: Close-up of eye
• 
  Species:
  Pseudacanthicus spinosus
  
  Caption: Close-up of eye
• 
  Species:
  Pterygoplichthys gibbiceps
  
  Caption: Close-up of eye
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of eye
• 
  Species:
  Belodontichthys dinema
  
  Caption: Close-up of eye
• 
  Species:
  Mystus irulu
  
  Caption: Close-up of eye.
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of eye. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species:
  Peckoltia braueri
  
  Caption: Close-up of eyes
• 
  Species:
  Hisonotus aky
  
  Caption: Close-up of female
• 
  Species:
  Hypancistrus furunculus
  
  Caption: Close-up of female
• 
  Species:
  Peckoltia sabaji
  
  Caption: Close-up of female
• 
  Species:
  Duringlanis perugiae
  
  Caption: Close-up of female anal fin
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Close-up of female and egg
• 
  Species:
  Rhamdia humilis
  
  Caption: Close-up of female belly cut open to show roe
• 
  Species:
  Clarias batrachus
  
  Caption: Close-up of female genital area
• 
  Species:
  Chrysichthys brachynema
  
  Caption: Close-up of female genital area
• 
  Species:
  Megalodoras uranoscopus
  
  Caption: Close-up of female genital area
• 
  Species:
  Goeldiella eques
  
  Caption: Close-up of female genital area
• 
  Species:
  Sturisomatichthys aureus
  
  Caption: Close-up of female genital area
• 
  Species:
  Leiarius pictus
  
  Caption: Close-up of female genital area
• 
  Species:
  Synodontis clarias
  
  Caption: Close-up of female ventral area
• 
  Species:
  Hypancistrus sp. (L316)
  
  Caption: Close-up of female's cheek
• 
  Species:
  Liobagrus marginatus
  
  Caption: Close-up of female's head
• 
  Species:
  Pimelodus pictus
  
  Caption: Close-up of fin
• 
  Species:
  Parotocinclus jumbo
  
  Caption: Close-up of fry
• 
  Species:
  Panaqolus sp. (L002)
  
  Caption: Close-up of genital papilla
• 
  Species:
  Oreoglanis omkoiensis
  
  Caption: Close-up of genital papilla. A, female. B, male.
• 
  Species:
  Panaque schaeferi
  
  Caption: Close-up of gill area
• 
  Species:
  Eutropiichthys vacha
  
  Caption: Close-up of head
• 
  Species:
  Acrochordonichthys ischnosoma
  
  Caption: Close-up of head
• 
  Species:
  Acrochordonichthys strigosus
  
  Caption: Close-up of head
• 
  Species:
  Akysis prashadi
  
  Caption: Close-up of head
• 
  Species:
  Akysis prashadi
  
  Caption: Close-up of head
• 
  Species:
  Akysis recavus
  
  Caption: Close-up of head
• 
  Species:
  Akysis vespa
  
  Caption: Close-up of head
• 
  Species:
  Parakysis anomalopteryx
  
  Caption: Close-up of head
• 
  Species:
  Parakysis grandis
  
  Caption: Close-up of head
• 
  Species:
  Parakysis notialis
  
  Caption: Close-up of head
• 
  Species:
  Parakysis verrucosus
  
  Caption: Close-up of head
• 
  Species:
  Amblyceps cerinum
  
  Caption: Close-up of head
• 
  Species:
  Belonoglanis brieni
  
  Caption: Close-up of head
• 
  Species:
  Trachyglanis ineac
  
  Caption: Close-up of head
• 
  Species:
  Ariopsis felis
  
  Caption: Close-up of head
• 
  Species:
  Bagre marinus
  
  Caption: Close-up of head
• 
  Species:
  Bunocephalus coracoideus
  
  Caption: Close-up of head
• 
  Species:
  Bunocephalus coracoideus
  
  Caption: Close-up of head
• 
  Species:
  Bunocephalus verrucosus
  
  Caption: Close-up of head
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Close-up of head
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Close-up of head
• 
  Species:
  Pterobunocephalus depressus
  
  Caption: Close-up of head
• 
  Species:
  Xyliphius barbatus
  
  Caption: Close-up of head
• 
  Species:
  Xyliphius melanopterus
  
  Caption: Close-up of head
• 
  Species:
  Ageneiosus inermis
  
  Caption: Close-up of head
• 
  Species:
  Ageneiosus inermis
  
  Caption: Close-up of head
• 
  Species:
  Ageneiosus inermis
  
  Caption: Close-up of head
• 
  Species:
  Asterophysus batrachus
  
  Caption: Close-up of head
• 
  Species:
  Auchenipterichthys punctatus
  
  Caption: Close-up of head
• 
  Species:
  Auchenipterichthys punctatus
  
  Caption: Close-up of head
• 
  Species:
  Auchenipterus nuchalis
  
  Caption: Close-up of head
• 
  Species:
  Centromochlus schultzi
  
  Caption: Close-up of head
• 
  Species:
  Duringlanis romani
  
  Caption: Close-up of head
• 
  Species:
  Liosomadoras morrowi
  
  Caption: Close-up of head
• 
  Species:
  Spinipterus acsi
  
  Caption: Close-up of head
• 
  Species:
  Tatia gyrinus
  
  Caption: Close-up of head
• 
  Species:
  Tatia simplex
  
  Caption: Close-up of head
• 
  Species:
  Tetranematichthys wallacei
  
  Caption: Close-up of head
• 
  Species:
  Tetranematichthys wallacei
  
  Caption: Close-up of head
• 
  Species:
  Trachelyopterus fisheri
  
  Caption: Close-up of head
• 
  Species:
  Trachelyopterus galeatus
  
  Caption: Close-up of head
• 
  Species:
  Trachelyopterus sp. (2)
  
  Caption: Close-up of head
• 
  Species:
  Tympanopleura cf. rondoni
  
  Caption: Close-up of head
• 
  Species:
  Auchenoglanis wittei
  
  Caption: Close-up of head
• 
  Species:
  Notoglanidium macrostoma
  
  Caption: Close-up of head
• 
  Species:
  Notoglanidium macrostoma
  
  Caption: Close-up of head
• 
  Species:
  Notoglanidium thomasi
  
  Caption: Close-up of head
• 
  Species:
  Parauchenoglanis punctatus
  
  Caption: Close-up of head
• 
  Species:
  Austroglanis gilli
  
  Caption: Close-up of head
• 
  Species:
  Bagrichthys macracanthus
  
  Caption: Close-up of head
• 
  Species:
  Batasio fasciolatus
  
  Caption: Close-up of head
• 
  Species:
  Batasio fasciolatus
  
  Caption: Close-up of head
• 
  Species:
  Hemibagrus microphthalmus
  
  Caption: Close-up of head
• 
  Species:
  Hemibagrus wyckii
  
  Caption: Close-up of head
• 
  Species:
  Hemibagrus wyckii
  
  Caption: Close-up of head
• 
  Species:
  Hyalobagrus flavus
  
  Caption: Close-up of head
• 
  Species:
  Leiocassis bekantan
  
  Caption: Close-up of head
• 
  Species:
  Mystus aff. gulio
  
  Caption: Close-up of head
• 
  Species:
  Mystus aff. gulio
  
  Caption: Close-up of head
• 
  Species:
  Mystus ankutta
  
  Caption: Close-up of head
• 
  Species:
  Mystus bocourti
  
  Caption: Close-up of head
• 
  Species:
  Mystus carcio
  
  Caption: Close-up of head
• 
  Species:
  Nanobagrus immaculatus
  
  Caption: Close-up of head
• 
  Species:
  Pseudomystus cf. stenomus
  
  Caption: Close-up of head
• 
  Species:
  Pseudomystus funebris
  
  Caption: Close-up of head
• 
  Species:
  Pseudomystus stenogrammus
  
  Caption: Close-up of head
• 
  Species:
  Sperata aor
  
  Caption: Close-up of head
• 
  Species:
  Tachysurus sinensis
  
  Caption: Close-up of head
• 
  Species:
  Brochis (sub-clade 2) pantanalensis
  
  Caption: Close-up of head
• 
  Species:
  Brochis (sub-clade 3) crimmeni
  
  Caption: Close-up of head
• 
  Species:
  Brochis (sub-clade 3) robineae
  
  Caption: Close-up of head
• 
  Species:
  Brochis (sub-clade 3) sp. (C141)
  
  Caption: Close-up of head
• 
  Species:
  Brochis (sub-clade 3) sp. (Cw160)
  
  Caption: Close-up of head
• 
  Species:
  Corydoras blochi
  
  Caption: Close-up of head
• 
  Species:
  Corydoras narcissus
  
  Caption: Close-up of head
• 
  Species:
  Corydoras semiaquilus
  
  Caption: Close-up of head
• 
  Species:
  Corydoras vittatus
  
  Caption: Close-up of head
• 
  Species:
  Dianema urostriatum
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma brevirostre
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma julii
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma loretoense
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma simile
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma sipaliwini
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma sp. (Cw028)
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma sp. (Cw133)
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Close-up of head
• 
  Species:
  Hoplisoma tukano
  
  Caption: Close-up of head
• 
  Species:
  Megalechis thoracata
  
  Caption: Close-up of head
• 
  Species:
  Osteogaster aenea
  
  Caption: Close-up of head
• 
  Species:
  Osteogaster schultzei
  
  Caption: Close-up of head
• 
  Species:
  Osteogaster sp. (Cw009)
  
  Caption: Close-up of head
• 
  Species:
  Osteogaster zygata
  
  Caption: Close-up of head
• 
  Species:
  Scleromystax barbatus
  
  Caption: Close-up of head
• 
  Species:
  Cetopsis coecutiens
  
  Caption: Close-up of head
• 
  Species:
  Cetopsis parma
  
  Caption: Close-up of head
• 
  Species:
  Bathyclarias foveolatus
  
  Caption: Close-up of head
• 
  Species:
  Bathyclarias foveolatus
  
  Caption: Close-up of head
• 
  Species:
  Channallabes apus
  
  Caption: Close-up of head
• 
  Species:
  Channallabes apus
  
  Caption: Close-up of head
• 
  Species:
  Channallabes sp. (1)
  
  Caption: Close-up of head
• 
  Species:
  Channallabes sp. (1)
  
  Caption: Close-up of head
• 
  Species:
  Clarias alluaudi
  
  Caption: Close-up of head
• 
  Species:
  Clarias batrachus
  
  Caption: Close-up of head
• 
  Species:
  Clarias gariepinus
  
  Caption: Close-up of head
• 
  Species:
  Clarias platycephalus
  
  Caption: Close-up of head
• 
  Species:
  Encheloclarias medialis
  
  Caption: Close-up of head
• 
  Species:
  Gymnallabes typus
  
  Caption: Close-up of head
• 
  Species:
  Gymnallabes typus
  
  Caption: Close-up of head
• 
  Species:
  Gymnallabes typus
  
  Caption: Close-up of head
• 
  Species:
  Horaglanis populi
  
  Caption: Close-up of head
• 
  Species:
  Chrysichthys dendrophorus
  
  Caption: Close-up of head
• 
  Species:
  Cranoglanis bouderius
  
  Caption: Close-up of head
• 
  Species:
  Diplomystes camposensis
  
  Caption: Close-up of head
• 
  Species:
  Agamyxis pectinifrons
  
  Caption: Close-up of head
• 
  Species:
  Amblydoras nauticus
  
  Caption: Close-up of head
• 
  Species:
  Anadoras grypus
  
  Caption: Close-up of head
• 
  Species:
  Anadoras weddellii
  
  Caption: Close-up of head
• 
  Species:
  Centrodoras brachiatus
  
  Caption: Close-up of head
• 
  Species:
  Centrodoras brachiatus
  
  Caption: Close-up of head
• 
  Species:
  Doras carinatus
  
  Caption: Close-up of head
• 
  Species:
  Hassar wilderi
  
  Caption: Close-up of head
• 
  Species:
  Hemidoras boulengeri
  
  Caption: Close-up of head
• 
  Species:
  Hemidoras stenopeltis
  
  Caption: Close-up of head
• 
  Species:
  Orinocodoras eigenmanni
  
  Caption: Close-up of head
• 
  Species:
  Oxydoras niger
  
  Caption: Close-up of head
• 
  Species:
  Oxydoras niger
  
  Caption: Close-up of head
• 
  Species:
  Platydoras armatulus
  
  Caption: Close-up of head
• 
  Species:
  Platydoras costatus
  
  Caption: Close-up of head
• 
  Species:
  Pterodoras granulosus
  
  Caption: Close-up of head
• 
  Species:
  Pterodoras granulosus
  
  Caption: Close-up of head
• 
  Species:
  Rhinodoras armbrusteri
  
  Caption: Close-up of head
• 
  Species:
  Rhinodoras boehlkei
  
  Caption: Close-up of head
• 
  Species:
  Rhinodoras sp. `MANACACIAS`
  
  Caption: Close-up of head
• 
  Species:
  Tenellus cristinae
  
  Caption: Close-up of head
• 
  Species:
  Tenellus leporhinus
  
  Caption: Close-up of head
• 
  Species:
  Chasmocranus tapanahoniensis
  
  Caption: Close-up of head
• 
  Species:
  Gladioglanis anacanthus
  
  Caption: Close-up of head
• 
  Species:
  Gladioglanis machadoi
  
  Caption: Close-up of head
• 
  Species:
  Goeldiella eques
  
  Caption: Close-up of head
• 
  Species:
  Pimelodella sp. `COLOMBIA`
  
  Caption: Close-up of head
• 
  Species:
  Pimelodella sp. `RIO VENTUARI`
  
  Caption: Close-up of head
• 
  Species:
  Pimelodella sp. (2)
  
  Caption: Close-up of head
• 
  Species:
  Pimelodella sp. (3)
  
  Caption: Close-up of head
• 
  Species:
  Rhamdella aymarae
  
  Caption: Close-up of head
• 
  Species:
  Rhamdia quelen
  
  Caption: Close-up of head
• 
  Species:
  Ameiurus natalis
  
  Caption: Close-up of head
• 
  Species:
  Ictalurus furcatus
  
  Caption: Close-up of head
• 
  Species:
  Ictalurus punctatus
  
  Caption: Close-up of head
• 
  Species:
  Noturus flavipinnis
  
  Caption: Close-up of head
• 
  Species:
  Noturus insignis
  
  Caption: Close-up of head
• 
  Species:
  Pylodictis olivaris
  
  Caption: Close-up of head
• 
  Species:
  Acanthicus adonis
  
  Caption: Close-up of head
• 
  Species:
  Acanthicus adonis
  
  Caption: Close-up of head
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of head
• 
  Species:
  Acestridium dichromum
  
  Caption: Close-up of head
• 
  Species:
  Acestridium gymnogaster
  
  Caption: Close-up of head
• 
  Species:
  Ancistomus snethlageae
  
  Caption: Close-up of head
• 
  Species:
  Ancistomus sp. (L147)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus aff. ranunculus
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus aguaboensis
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus damasceni
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. `LOWER RIO NEGRO`
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. `RIO PARAGUAY`
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. `RIO TOCANTINS`
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. (2)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. (L100)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. (L327)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus sp. (L349)
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus temminckii
  
  Caption: Close-up of head
• 
  Species:
  Ancistrus triradiatus
  
  Caption: Close-up of head
• 
  Species:
  Aphanotorulus ammophilus
  
  Caption: Close-up of head
• 
  Species:
  Aphanotorulus ammophilus
  
  Caption: Close-up of head
• 
  Species:
  Aphanotorulus emarginatus
  
  Caption: Close-up of head
• 
  Species:
  Baryancistrus demantoides
  
  Caption: Close-up of head
• 
  Species:
  Baryancistrus sp. (L019)
  
  Caption: Close-up of head
• 
  Species:
  Baryancistrus sp. (L142)
  
  Caption: Close-up of head
• 
  Species:
  Chaetostoma dorsale
  
  Caption: Close-up of head
• 
  Species:
  Chaetostoma dupouii
  
  Caption: Close-up of head
• 
  Species:
  Chaetostoma formosae
  
  Caption: Close-up of head
• 
  Species:
  Chaetostoma sp. `COLOMBIA`
  
  Caption: Close-up of head
• 
  Species:
  Chaetostoma sp. (5)
  
  Caption: Close-up of head
• 
  Species:
  Chaetostoma sp. (5)
  
  Caption: Close-up of head
• 
  Species:
  Cordylancistrus tayrona
  
  Caption: Close-up of head
• 
  Species:
  Corumbataia tocantinensis
  
  Caption: Close-up of head
• 
  Species:
  Crossoloricaria cephalaspis
  
  Caption: Close-up of head
• 
  Species:
  Crossoloricaria variegata
  
  Caption: Close-up of head
• 
  Species:
  Dekeyseria picta
  
  Caption: Close-up of head
• 
  Species:
  Dolichancistrus fuesslii
  
  Caption: Close-up of head
• 
  Species:
  Dolichancistrus fuesslii
  
  Caption: Close-up of head
• 
  Species:
  Farlowella amazonum
  
  Caption: Close-up of head
• 
  Species:
  Farlowella hahni
  
  Caption: Close-up of head
• 
  Species:
  Farlowella myriodon
  
  Caption: Close-up of head
• 
  Species:
  Farlowella paraguayensis
  
  Caption: Close-up of head
• 
  Species:
  Farlowella vittata
  
  Caption: Close-up of head
• 
  Species:
  Farlowella vittata
  
  Caption: Close-up of head
• 
  Species:
  Harttia punctata
  
  Caption: Close-up of head
• 
  Species:
  Harttia punctata
  
  Caption: Close-up of head
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Close-up of head
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Close-up of head
• 
  Species:
  Hemiancistrus subviridis
  
  Caption: Close-up of head
• 
  Species:
  Hemiodontichthys acipenserinus
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus contradens
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus furunculus
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus inspector
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus inspector
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus inspector
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. `LOWER RIO XINGU`
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L136)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L260)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L262)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L333)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L411)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L471)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L500)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus sp. (L527)
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus yudja
  
  Caption: Close-up of head
• 
  Species:
  Hypancistrus zebra
  
  Caption: Close-up of head
• 
  Species:
  Hypoptopoma cf. inexspectatum
  
  Caption: Close-up of head
• 
  Species:
  Hypoptopoma inexspectatum
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus aspidolepis
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus basilisko
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus bolivianus
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus faveolus
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus isbrueckeri
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus micromaculatus
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus plecostomus
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus regani
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus regani
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus scaphyceps
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus sertanejo
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus soniae
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus sp. (L231)
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus sp. (L245)
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus sp. (L360)
  
  Caption: Close-up of head
• 
  Species:
  Hypostomus ternetzi
  
  Caption: Close-up of head
• 
  Species:
  Lasiancistrus heteracanthus
  
  Caption: Close-up of head
• 
  Species:
  Lasiancistrus heteracanthus
  
  Caption: Close-up of head
• 
  Species:
  Lasiancistrus sp. (L033)
  
  Caption: Close-up of head
• 
  Species:
  Leporacanthicus cf. galaxias(l240)
  
  Caption: Close-up of head
• 
  Species:
  Leporacanthicus galaxias
  
  Caption: Close-up of head
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Close-up of head
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Close-up of head
• 
  Species:
  Leporacanthicus joselimai
  
  Caption: Close-up of head
• 
  Species:
  Leporacanthicus sp. (L263)
  
  Caption: Close-up of head
• 
  Species:
  Lithoxancistrus orinoco
  
  Caption: Close-up of head
• 
  Species:
  Loricaria luciae
  
  Caption: Close-up of head
• 
  Species:
  Loricaria nimairaco
  
  Caption: Close-up of head
• 
  Species:
  Loricariichthys anus
  
  Caption: Close-up of head
• 
  Species:
  Loricariichthys anus
  
  Caption: Close-up of head
• 
  Species:
  Loricariichthys platymetopon
  
  Caption: Close-up of head
• 
  Species:
  Megalancistrus parananus
  
  Caption: Close-up of head
• 
  Species:
  Metaloricaria paucidens
  
  Caption: Close-up of head
• 
  Species:
  Nannoptopoma sp. (LDA110)
  
  Caption: Close-up of head
• 
  Species:
  Otocinclus cocama
  
  Caption: Close-up of head
• 
  Species:
  Otocinclus flexilis
  
  Caption: Close-up of head
• 
  Species:
  Otocinclus vittatus
  
  Caption: Close-up of head
• 
  Species:
  Otothyropsis piribebuy
  
  Caption: Close-up of head
• 
  Species:
  Oxyropsis wrightiana
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus cf. nocturnus
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus maccus
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus sp. (L002)
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus sp. (L002)
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus sp. (L397)
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus sp. (L448)
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus sp. (L453)
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus sp. (L453)
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus sp. (L458)
  
  Caption: Close-up of head
• 
  Species:
  Panaqolus tankei
  
  Caption: Close-up of head
• 
  Species:
  Panaque armbrusteri
  
  Caption: Close-up of head
• 
  Species:
  Paraloricaria commersonoides
  
  Caption: Close-up of head
• 
  Species:
  Paraloricaria vetula
  
  Caption: Close-up of head
• 
  Species:
  Parancistrus sp. (LDA046)
  
  Caption: Close-up of head
• 
  Species:
  Parotocinclus jumbo
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia brevis
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia compta
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia compta
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sabaji
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sabaji
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sp. `RIO NEGRO`
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sp. (L205)
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sp. (L209)
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sp. (L265)
  
  Caption: Close-up of head
• 
  Species:
  Peckoltia sp. (L387)
  
  Caption: Close-up of head
• 
  Species:
  Planiloricaria cryptodon
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus cf. leopardus
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus cf. spinosus
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus cf. spinosus
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus leopardus
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus sp. (L097)
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus sp. (L273)
  
  Caption: Close-up of head
• 
  Species:
  Pseudacanthicus sp. (LDA105)
  
  Caption: Close-up of head
• 
  Species:
  Pseudancistrus depressus
  
  Caption: Close-up of head
• 
  Species:
  Pseudancistrus genisetiger
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon aff. apithanos
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon aff. apithanos
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon almendarizi
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon almendarizi
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon almendarizi
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon lamina
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon laticeps
  
  Caption: Close-up of head
• 
  Species:
  Pseudohemiodon unillano
  
  Caption: Close-up of head
• 
  Species:
  Pseudolithoxus anthrax
  
  Caption: Close-up of head
• 
  Species:
  Pseudolithoxus dumus
  
  Caption: Close-up of head
• 
  Species:
  Pseudolithoxus nicoi
  
  Caption: Close-up of head
• 
  Species:
  Pterosturisoma microps
  
  Caption: Close-up of head
• 
  Species:
  Pterosturisoma microps
  
  Caption: Close-up of head
• 
  Species:
  Pterygoplichthys pardalis
  
  Caption: Close-up of head
• 
  Species:
  Pterygoplichthys pardalis
  
  Caption: Close-up of head
• 
  Species:
  Pterygoplichthys parnaibae
  
  Caption: Close-up of head
• 
  Species:
  Pterygoplichthys sp. (L164)
  
  Caption: Close-up of head
• 
  Species:
  Pterygoplichthys weberi
  
  Caption: Close-up of head
• 
  Species:
  Rhinotocinclus chromodontus
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria aff. latirostris
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria cacerensis
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria eigenmanni
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria felipponei
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria lanceolata
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria melini
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria parva
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria sp. (2)
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria sp. (3)
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria sp. (4)
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Close-up of head
• 
  Species:
  Rineloricaria thrissoceps
  
  Caption: Close-up of head
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of head
• 
  Species:
  Scobinancistrus cf. pariolispos
  
  Caption: Close-up of head
• 
  Species:
  Scobinancistrus raonii
  
  Caption: Close-up of head
• 
  Species:
  Scobinancistrus raonii
  
  Caption: Close-up of head
• 
  Species:
  Scobinancistrus raonii
  
  Caption: Close-up of head
• 
  Species:
  Spatuloricaria sp. `RIO SAN ALEJANDRO`
  
  Caption: Close-up of head
• 
  Species:
  Spatuloricaria sp. (1)
  
  Caption: Close-up of head
• 
  Species:
  Spatuloricaria sp. (LDA115)
  
  Caption: Close-up of head
• 
  Species:
  Spatuloricaria sp. (LDA115)
  
  Caption: Close-up of head
• 
  Species:
  Spectracanthicus murinus
  
  Caption: Close-up of head
• 
  Species:
  Spectracanthicus punctatissimus
  
  Caption: Close-up of head
• 
  Species:
  Spectracanthicus zuanoni
  
  Caption: Close-up of head
• 
  Species:
  Sturisoma barbatum
  
  Caption: Close-up of head
• 
  Species:
  Sturisoma nigrirostrum
  
  Caption: Close-up of head
• 
  Species:
  Sturisoma nigrirostrum
  
  Caption: Close-up of head
• 
  Species:
  Sturisoma nigrirostrum
  
  Caption: Close-up of head
• 
  Species:
  Sturisoma nigrirostrum
  
  Caption: Close-up of head
• 
  Species:
  Sturisoma rostratum
  
  Caption: Close-up of head
• 
  Species:
  Sturisomatichthys leightoni
  
  Caption: Close-up of head
• 
  Species:
  Malapterurus electricus
  
  Caption: Close-up of head
• 
  Species:
  Chiloglanis polypogon
  
  Caption: Close-up of head
• 
  Species:
  Chiloglanis pretoriae
  
  Caption: Close-up of head
• 
  Species:
  Euchilichthys guentheri
  
  Caption: Close-up of head
• 
  Species:
  Microsynodontis polli
  
  Caption: Close-up of head
• 
  Species:
  Mochokiella paynei
  
  Caption: Close-up of head
• 
  Species:
  Mochokiella paynei
  
  Caption: Close-up of head
• 
  Species:
  Synodontis acanthomias
  
  Caption: Close-up of head
• 
  Species:
  Synodontis batesii
  
  Caption: Close-up of head
• 
  Species:
  Synodontis caudalis
  
  Caption: Close-up of head
• 
  Species:
  Synodontis clarias
  
  Caption: Close-up of head
• 
  Species:
  Synodontis clarias
  
  Caption: Close-up of head
• 
  Species:
  Synodontis decorus
  
  Caption: Close-up of head
• 
  Species:
  Synodontis eupterus
  
  Caption: Close-up of head
• 
  Species:
  Synodontis irsacae
  
  Caption: Close-up of head
• 
  Species:
  Synodontis katangae
  
  Caption: Close-up of head
• 
  Species:
  Synodontis lucipinnis
  
  Caption: Close-up of head
• 
  Species:
  Synodontis macropunctatus
  
  Caption: Close-up of head
• 
  Species:
  Synodontis ocellifer
  
  Caption: Close-up of head
• 
  Species:
  Synodontis orientalis
  
  Caption: Close-up of head
• 
  Species:
  Synodontis pardalis
  
  Caption: Close-up of head
• 
  Species:
  Synodontis petricola
  
  Caption: Close-up of head
• 
  Species:
  Synodontis robbianus
  
  Caption: Close-up of head
• 
  Species:
  Synodontis rukwaensis
  
  Caption: Close-up of head
• 
  Species:
  Synodontis schoutedeni
  
  Caption: Close-up of head
• 
  Species:
  Synodontis soloni
  
  Caption: Close-up of head
• 
  Species:
  Synodontis sorex
  
  Caption: Close-up of head
• 
  Species:
  Synodontis sp. `LOWER GUINEA`
  
  Caption: Close-up of head
• 
  Species:
  Synodontis sp. hybrid(4)
  
  Caption: Close-up of head
• 
  Species:
  Synodontis tanganyicae
  
  Caption: Close-up of head
• 
  Species:
  Synodontis vanderwaali
  
  Caption: Close-up of head
• 
  Species:
  Synodontis victoriae
  
  Caption: Close-up of head
• 
  Species:
  Synodontis xiphias
  
  Caption: Close-up of head
• 
  Species:
  Pangasianodon gigas
  
  Caption: Close-up of head
• 
  Species:
  Pangasius sanitwongsei
  
  Caption: Close-up of head
• 
  Species:
  Aguarunichthys torosus
  
  Caption: Close-up of head
• 
  Species:
  Brachyplatystoma filamentosum
  
  Caption: Close-up of head
• 
  Species:
  Calophysus macropterus
  
  Caption: Close-up of head
• 
  Species:
  Calophysus macropterus
  
  Caption: Close-up of head
• 
  Species:
  Leiarius marmoratus
  
  Caption: Close-up of head
• 
  Species:
  Leiarius pictus
  
  Caption: Close-up of head
• 
  Species:
  Luciopimelodus pati
  
  Caption: Close-up of head
• 
  Species:
  Parapimelodus sp. `MANAUS`
  
  Caption: Close-up of head
• 
  Species:
  Pimelodus ornatus
  
  Caption: Close-up of head
• 
  Species:
  Platysilurus mucosus
  
  Caption: Close-up of head
• 
  Species:
  Pseudoplatystoma fasciatum
  
  Caption: Close-up of head
• 
  Species:
  Pseudoplatystoma reticulatum
  
  Caption: Close-up of head
• 
  Species:
  Pseudoplatystoma reticulatum
  
  Caption: Close-up of head
• 
  Species:
  Neosilurus ater
  
  Caption: Close-up of head
• 
  Species:
  Neosilurus brevidorsalis
  
  Caption: Close-up of head
• 
  Species:
  Neosilurus brevidorsalis
  
  Caption: Close-up of head
• 
  Species:
  Plotosus papuensis
  
  Caption: Close-up of head
• 
  Species:
  Plotosus papuensis
  
  Caption: Close-up of head
• 
  Species:
  Lophiosilurus alexandri
  
  Caption: Close-up of head
• 
  Species:
  Pseudopimelodus mangurus
  
  Caption: Close-up of head
• 
  Species:
  Rhyacoglanis pulcher
  
  Caption: Close-up of head
• 
  Species:
  Rita kuturnee
  
  Caption: Close-up of head
• 
  Species:
  Pareutropius buffei
  
  Caption: Close-up of head
• 
  Species:
  Belodontichthys dinema
  
  Caption: Close-up of head
• 
  Species:
  Ceratoglanis scleronema
  
  Caption: Close-up of head
• 
  Species:
  Kryptopterus vitreolus
  
  Caption: Close-up of head
• 
  Species:
  Ompok pabo
  
  Caption: Close-up of head
• 
  Species:
  Pterocryptis anomala
  
  Caption: Close-up of head
• 
  Species:
  Pterocryptis anomala
  
  Caption: Close-up of head
• 
  Species:
  Pterocryptis berdmorei
  
  Caption: Close-up of head
• 
  Species:
  Pterocryptis berdmorei
  
  Caption: Close-up of head
• 
  Species:
  Pterocryptis vorax
  
  Caption: Close-up of head
• 
  Species:
  Silurus biwaensis
  
  Caption: Close-up of head
• 
  Species:
  Silurus triostegus
  
  Caption: Close-up of head
• 
  Species:
  Wallago attu
  
  Caption: Close-up of head
• 
  Species:
  Wallago attu
  
  Caption: Close-up of head
• 
  Species:
  Bagarius lica
  
  Caption: Close-up of head
• 
  Species:
  Bagarius lica
  
  Caption: Close-up of head
• 
  Species:
  Creteuchiloglanis kamengensis
  
  Caption: Close-up of head
• 
  Species:
  Erethistes mesembrinus
  
  Caption: Close-up of head
• 
  Species:
  Gagata cenia
  
  Caption: Close-up of head
• 
  Species:
  Gagata gagata
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax anamalaiensis
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax decussatus
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax indicus
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax lanceatus
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax radiolus
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax rugimentum
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax rugimentum
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax telchitta
  
  Caption: Close-up of head
• 
  Species:
  Glyptothorax zanaensis
  
  Caption: Close-up of head
• 
  Species:
  Gogangra viridescens
  
  Caption: Close-up of head
• 
  Species:
  Oreoglanis macroptera
  
  Caption: Close-up of head
• 
  Species:
  Pseudecheneis longipectoralis
  
  Caption: Close-up of head
• 
  Species:
  Pseudecheneis sp. (1)
  
  Caption: Close-up of head
• 
  Species:
  Pseudolaguvia ferula
  
  Caption: Close-up of head
• 
  Species:
  Pseudolaguvia ferula
  
  Caption: Close-up of head
• 
  Species:
  Pseudolaguvia flavida
  
  Caption: Close-up of head
• 
  Species:
  Henonemus triacanthopomus
  
  Caption: Close-up of head
• 
  Species:
  Ituglanis amazonicus
  
  Caption: Close-up of head
• 
  Species:
  Pareiodon microps
  
  Caption: Close-up of head
• 
  Species:
  Pseudostegophilus maculatus
  
  Caption: Close-up of head
• 
  Species:
  Sarcoglanis simplex
  
  Caption: Close-up of head
• 
  Species:
  Trichomycterus alternatus
  
  Caption: Close-up of head
• 
  Species:
  Trichomycterus brasiliensis
  
  Caption: Close-up of head
• 
  Species:
  Trichomycterus brasiliensis
  
  Caption: Close-up of head
• 
  Species:
  Trichomycterus sp. `JIBOIA`
  
  Caption: Close-up of head
• 
  Species:
  Vandellia cirrhosa
  
  Caption: Close-up of head
• 
  Species:
  Farlowella sp. (1)
  
  Caption: Close-up of head - female
• 
  Species:
  Pseudacanthicus sp. (LDA105)
  
  Caption: Close-up of head (adult)
• 
  Species:
  Pterygoplichthys gibbiceps
  
  Caption: Close-up of head (adult)
• 
  Species:
  Neblinichthys pilosus
  
  Caption: Close-up of head (dorsal)
• 
  Species:
  Ancistrus sp. `RIO CHIRGUA`
  
  Caption: Close-up of head (front)
• 
  Species:
  Neblinichthys pilosus
  
  Caption: Close-up of head (lateral)
• 
  Species:
  Spatuloricaria caquetae
  
  Caption: Close-up of head (male)
• 
  Species:
  Brachyplatystoma rousseauxii
  
  Caption: Close-up of head (nose damaged)
• 
  Species:
  Neblinichthys pilosus
  
  Caption: Close-up of head (ventral)
• 
  Species:
  Chauliocheilos saxatilis
  
  Caption: Close-up of head / male lip morphology
• 
  Species:
  Leiarius pictus
  
  Caption: Close-up of head and dorsal fin
• 
  Species:
  Synodontis longirostris
  
  Caption: Close-up of head and humeral process-250 mm SL
• 
  Species:
  Hypancistrus vandragti
  
  Caption: Close-up of head and opercular odontodes
• 
  Species:
  Otothyris lophophanes
  
  Caption: Close-up of head and suckermouth
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Close-up of head of female
• 
  Species:
  Hypancistrus sp. (L070)
  
  Caption: Close-up of head of female
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of head of female
• 
  Species:
  Leporacanthicus cf. galaxias(l241)
  
  Caption: Close-up of head of juvenile
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Close-up of head of male
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Close-up of head of male
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Close-up of head of male
• 
  Species:
  Hypancistrus sp. (L070)
  
  Caption: Close-up of head of male
• 
  Species:
  Leporacanthicus cf. galaxias`venezuela`
  
  Caption: Close-up of head of male
• 
  Species:
  Leporacanthicus cf. galaxias(l240)
  
  Caption: Close-up of head of male
• 
  Species:
  Leporacanthicus galaxias
  
  Caption: Close-up of head of male
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of head of male
• 
  Species:
  Peckoltia sp. `RIO TOCANTINS`
  
  Caption: Close-up of head of male
• 
  Species:
  Rineloricaria sp. (7)
  
  Caption: Close-up of head of male
• 
  Species:
  Rineloricaria sp. (L010A)
  
  Caption: Close-up of head of male
• 
  Species:
  Synodontis schoutedeni
  
  Caption: Close-up of head of male
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Close-up of head of piebald male
• 
  Species:
  Parakysis notialis
  
  Caption: Close-up of head on view
• 
  Species:
  Tatia reticulata
  
  Caption: Close-up of head on view
• 
  Species:
  Megalodoras uranoscopus
  
  Caption: Close-up of head showing
• 
  Species:
  Pseudotanganikallabes prognatha
  
  Caption: Close-up of head showing extended lower lip
• 
  Species:
  Dekeyseria scaphirhynchus
  
  Caption: Close-up of head showing grooves
• 
  Species:
  Synodontis multipunctatus
  
  Caption: Close-up of head showing humeral process
• 
  Species:
  Auchenoglanis senegali
  
  Caption: Close-up of head-110 mm SL
• 
  Species:
  Auchenoglanis cf. occidentalis
  
  Caption: Close-up of head-28 cm TL
• 
  Species:
  Sturisomatichthys panamensis
  
  Caption: Close-up of head-Southern Panama
• 
  Species:
  Astroblepus caquetae
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Ancistrus lineolatus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Chaetostoma sp. (6)
  
  Caption: Close-up of head, dorsal view
• 
  Species:
  Chaetostoma vagum
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Hypostomus argus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Hypostomus niceforoi
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Hypostomus oculeus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Rineloricaria felipponei
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Rineloricaria pareiacantha
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Close-up of head, male
• 
  Species:
  Astroblepus caquetae
  
  Caption: Close-up of head, Ventral view
• 
  Species:
  Hypoptopoma inexspectatum
  
  Caption: Close-up of head, ventral view
• 
  Species:
  Otocinclus mariae
  
  Caption: Close-up of head, ventral view
• 
  Species:
  Oxyropsis wrightiana
  
  Caption: Close-up of head; Dorsal view
• 
  Species:
  Rineloricaria stewarti
  
  Caption: Close-up of head; Dorsal view
• 
  Species:
  Hypostomus cf. paulinus
  
  Caption: Close-up of head. Dorsal view
• 
  Species:
  Spectracanthicus javae
  
  Caption: Close-up of holes & cracks where species inhabits
• 
  Species:
  Synodontis ocellifer
  
  Caption: Close-up of humeral
• 
  Species:
  Tatia sp. (2)
  
  Caption: Close-up of humeral process
• 
  Species:
  Cranoglanis multiradiata
  
  Caption: Close-up of humeral process
• 
  Species:
  Hassar wilderi
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis acanthomias
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis acanthomias
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis angelicus
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis batensoda
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis irsacae
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis njassae
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis schall
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis sp. `JA RIVER`
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis tanganyicae
  
  Caption: Close-up of humeral process
• 
  Species:
  Synodontis velifer
  
  Caption: Close-up of humeral process
• 
  Species:
  Parancistrus aurantiacus
  
  Caption: Close-up of interopercular and pectoral odontodes
• 
  Species:
  Ancistrus ranunculus
  
  Caption: Close-up of interopercular spines
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Close-up of interopercular spines
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Close-up of interopercular spines
• 
  Species:
  Panaque nigrolineatus
  
  Caption: Close-up of interopercular spines
• 
  Species:
  Panaque titan
  
  Caption: Close-up of interopercular spines
• 
  Species:
  Parancistrus nudiventris
  
  Caption: Close-up of joined dorsal and adipose fins
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Close-up of juvenile head
• 
  Species:
  Otocinclus vittatus
  
  Caption: Close-up of lateral pores
• 
  Species:
  Agamyxis pectinifrons
  
  Caption: Close-up of lateral scutes
• 
  Species:
  Centrodoras brachiatus
  
  Caption: Close-up of lateral scutes
• 
  Species:
  Hemidoras boulengeri
  
  Caption: Close-up of lateral scutes
• 
  Species:
  Megalodoras uranoscopus
  
  Caption: Close-up of lateral scutes
• 
  Species:
  Rhinodoras sp. `TOCANTINS XINGU`
  
  Caption: Close-up of lateral scutes
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Close-up of lower jaw
• 
  Species:
  Ageneiosus magoi
  
  Caption: Close-up of male
• 
  Species:
  Auchenipterichthys coracoideus
  
  Caption: Close-up of male
• 
  Species:
  Bagrus meridionalis
  
  Caption: Close-up of Male
• 
  Species:
  Scleromystax macropterus
  
  Caption: Close-up of male
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Close-up of male
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Close-up of male
• 
  Species:
  Hisonotus aky
  
  Caption: Close-up of male
• 
  Species:
  Hypancistrus furunculus
  
  Caption: Close-up of male
• 
  Species:
  Hypancistrus inspector
  
  Caption: Close-up of male
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Close-up of male
• 
  Species:
  Duringlanis perugiae
  
  Caption: Close-up of male anal fin
• 
  Species:
  Hypancistrus sp. (L501)
  
  Caption: Close-up of male and eggs in spawning cave
• 
  Species:
  Entomocorus gameroi
  
  Caption: Close-up of male genital area
• 
  Species:
  Clarias batrachus
  
  Caption: Close-up of male genital area
• 
  Species:
  Chrysichthys brachynema
  
  Caption: Close-up of male genital area
• 
  Species:
  Megalodoras uranoscopus
  
  Caption: Close-up of male genital area
• 
  Species:
  Goeldiella eques
  
  Caption: Close-up of male genital area
• 
  Species:
  Sturisomatichthys aureus
  
  Caption: Close-up of male genital area
• 
  Species:
  Leiarius pictus
  
  Caption: Close-up of male genital area
• 
  Species:
  Synodontis pardalis
  
  Caption: Close-up of male genital papillae
• 
  Species:
  Sturisomatichthys festivus
  
  Caption: Close-up of male guarding eggs
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Close-up of male guarding eggs
• 
  Species:
  Entomocorus gameroi
  
  Caption: Close-up of male head
• 
  Species:
  Rineloricaria fallax
  
  Caption: Close-up of male head
• 
  Species:
  Rineloricaria latirostris
  
  Caption: Close-up of male orange colour morph
• 
  Species:
  Farlowella vittata
  
  Caption: Close-up of male rostrum showing odontodes
• 
  Species:
  Pseudancistrus sp. (L259)
  
  Caption: Close-up of male showing cheek bristles
• 
  Species:
  Rineloricaria lanceolata
  
  Caption: Close-up of male showing cheek bristles
• 
  Species:
  Peckoltia sp. `RIO TOCANTINS`
  
  Caption: Close-up of male showing posterior odontodes
• 
  Species:
  Ancistrus sp. `RIO CHIRGUA`
  
  Caption: Close-up of male showing unbranched head tentacles
• 
  Species:
  Hypancistrus sp. (L316)
  
  Caption: Close-up of male's cheek
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of male's genital papillae
• 
  Species:
  Liobagrus marginatus
  
  Caption: Close-up of male's head
• 
  Species:
  Ancistrus sp. (L513)
  
  Caption: Close-up of male's head
• 
  Species:
  Ancistrus sp. (LDA072)
  
  Caption: Close-up of male's head
• 
  Species:
  Leporacanthicus cf. galaxias(l241)
  
  Caption: Close-up of male's head
• 
  Species:
  Pareiorhaphis bahiana
  
  Caption: Close-up of male's head
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of male's odontodes
• 
  Species:
  Hypancistrus yudja
  
  Caption: Close-up of male's pectoral fin
• 
  Species:
  Rineloricaria melini
  
  Caption: Close-up of male's pectoral fin
• 
  Species:
  Baryancistrus sp. (L142)
  
  Caption: Close-up of males pectoral fin ray
• 
  Species:
  Loricariichthys platymetopon
  
  Caption: Close-up of modified lower lip used in egg clutch carrying
• 
  Species:
  Eutropiichthys vacha
  
  Caption: Close-up of mouth
• 
  Species:
  Astroblepus mancoi
  
  Caption: Close-up of mouth
• 
  Species:
  Ageneiosus inermis
  
  Caption: Close-up of mouth
• 
  Species:
  Tatia jaracatia
  
  Caption: Close-up of mouth
• 
  Species:
  Bagrichthys macracanthus
  
  Caption: Close-up of mouth
• 
  Species:
  Cetopsis coecutiens
  
  Caption: Close-up of mouth
• 
  Species:
  Cetopsis coecutiens
  
  Caption: Close-up of mouth
• 
  Species:
  Chaca bankanensis
  
  Caption: Close-up of mouth
• 
  Species:
  Gymnallabes typus
  
  Caption: Close-up of mouth
• 
  Species:
  Phyllonemus typus
  
  Caption: Close-up of mouth
• 
  Species:
  Rhinodoras gallagheri
  
  Caption: Close-up of mouth
• 
  Species:
  Tenellus trimaculatus
  
  Caption: Close-up of mouth
• 
  Species:
  Noturus gyrinus
  
  Caption: Close-up of mouth
• 
  Species:
  Acanthicus adonis
  
  Caption: Close-up of mouth
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of mouth
• 
  Species:
  Acestridium sp. `MANICORE`
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistomus sp. (L147)
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistomus sp. (L487)
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus cirrhosus
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus damasceni
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus hoplogenys
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus sp. `LOWER RIO NEGRO`
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus sp. (2)
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus sp. (L088)
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus sp. (L480)
  
  Caption: Close-up of mouth
• 
  Species:
  Ancistrus sp. (L481)
  
  Caption: Close-up of mouth
• 
  Species:
  Avalithoxus jantjae
  
  Caption: Close-up of mouth
• 
  Species:
  Baryancistrus chrysolomus
  
  Caption: Close-up of mouth
• 
  Species:
  Baryancistrus sp. (L019)
  
  Caption: Close-up of mouth
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: Close-up of mouth
• 
  Species:
  Chaetostoma dorsale
  
  Caption: Close-up of mouth
• 
  Species:
  Chaetostoma orientale
  
  Caption: Close-up of mouth
• 
  Species:
  Chaetostoma sp. (5)
  
  Caption: Close-up of mouth
• 
  Species:
  Colossimystax pectegenitor
  
  Caption: Close-up of mouth
• 
  Species:
  Dekeyseria amazonica
  
  Caption: Close-up of mouth
• 
  Species:
  Delturus sp. (1)
  
  Caption: Close-up of mouth
• 
  Species:
  Guyanancistrus sp. (L490)
  
  Caption: Close-up of mouth
• 
  Species:
  Hemiancistrus subviridis
  
  Caption: Close-up of mouth
• 
  Species:
  Hemiancistrus subviridis
  
  Caption: Close-up of mouth
• 
  Species:
  Hemiodontichthys acipenserinus
  
  Caption: Close-up of mouth
• 
  Species:
  Hisonotus leucofrenatus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L201)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L260)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L262)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L297)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L340)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L400)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L450)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L489)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus sp. (L501)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus vandragti
  
  Caption: Close-up of mouth
• 
  Species:
  Hypancistrus vandragti
  
  Caption: Close-up of mouth
• 
  Species:
  Hypoptopoma inexspectatum
  
  Caption: Close-up of mouth
• 
  Species:
  Hypoptopoma sp. (2)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus ancistroides
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus asperatus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus cf. cochliodon
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus commersoni
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus coppenamensis
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus faveolus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus fuscomaculatus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus latifrons
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus luteus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus micromaculatus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus mutucae
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus plecostomus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus roseopunctatus
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus soniae
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus sp. (L360)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus sp. (L517)
  
  Caption: Close-up of mouth
• 
  Species:
  Hypostomus weberi
  
  Caption: Close-up of mouth
• 
  Species:
  Isorineloricaria villarsi
  
  Caption: Close-up of mouth
• 
  Species:
  Lasiancistrus sp. (L479)
  
  Caption: Close-up of mouth
• 
  Species:
  Lasiancistrus volcanensis
  
  Caption: Close-up of mouth
• 
  Species:
  Leporacanthicus galaxias
  
  Caption: Close-up of mouth
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Close-up of mouth
• 
  Species:
  Leporacanthicus sp. (L473)
  
  Caption: Close-up of mouth
• 
  Species:
  Leporacanthicus triactis
  
  Caption: Close-up of mouth
• 
  Species:
  Leporacanthicus triactis
  
  Caption: Close-up of mouth
• 
  Species:
  Limatulichthys griseus
  
  Caption: Close-up of mouth
• 
  Species:
  Lithoxancistrus orinoco
  
  Caption: Close-up of mouth
• 
  Species:
  Loricaria luciae
  
  Caption: Close-up of mouth
• 
  Species:
  Loricariichthys anus
  
  Caption: Close-up of mouth
• 
  Species:
  Loricariichthys anus
  
  Caption: Close-up of mouth
• 
  Species:
  Loricariichthys anus
  
  Caption: Close-up of mouth
• 
  Species:
  Megalancistrus sp. (LDA097)
  
  Caption: Close-up of mouth
• 
  Species:
  Otocinclus cocama
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus cf. nocturnus
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus maccus
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus nocturnus
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (1)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L002)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L206)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L403)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L458)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L459)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L460)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L465)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L466)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L467)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L468)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L469)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L482)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. (L484)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque bathyphilus
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque cf. armbrusteri`xingu`
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque cf. nigrolineatus`aripuana`
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque nigrolineatus
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque nigrolineatus
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque nigrolineatus laurafabianae
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque sp. (L191)
  
  Caption: Close-up of mouth
• 
  Species:
  Panaque titan
  
  Caption: Close-up of mouth
• 
  Species:
  Paralithoxus cf. raso
  
  Caption: Close-up of mouth
• 
  Species:
  Parancistrus aurantiacus
  
  Caption: Close-up of mouth
• 
  Species:
  Parancistrus aurantiacus
  
  Caption: Close-up of mouth
• 
  Species:
  Parancistrus sp. (LDA046)
  
  Caption: Close-up of mouth
• 
  Species:
  Parotocinclus bahiensis
  
  Caption: Close-up of mouth
• 
  Species:
  Parotocinclus maculicauda
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia braueri
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia furcata
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia lineola
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia multispinis
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia sp. (L205)
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia sp. (L211)
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia sp. (L387)
  
  Caption: Close-up of mouth
• 
  Species:
  Peckoltia vittata
  
  Caption: Close-up of mouth
• 
  Species:
  Planiloricaria cryptodon
  
  Caption: Close-up of mouth
• 
  Species:
  Pogonopoma obscurum
  
  Caption: Close-up of mouth
• 
  Species:
  Pogonopoma wertheimeri
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus cf. spinosus
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus pitanga
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus pitanga
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus serratus
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus sp. (L097)
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus sp. (L452)
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudacanthicus sp. (L452)
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudancistrus sp. (L491)
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudohemiodon almendarizi
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudohemiodon laticeps
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudohemiodon laticeps
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudolithoxus anthrax
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudolithoxus dumus
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudolithoxus nicoi
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudolithoxus sp. (1)
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudorinelepis genibarbis
  
  Caption: Close-up of mouth
• 
  Species:
  Pterygoplichthys disjunctivus
  
  Caption: Close-up of mouth
• 
  Species:
  Pterygoplichthys gibbiceps
  
  Caption: Close-up of mouth
• 
  Species:
  Pterygoplichthys joselimaianus
  
  Caption: Close-up of mouth
• 
  Species:
  Pterygoplichthys pardalis
  
  Caption: Close-up of mouth
• 
  Species:
  Pterygoplichthys scrophus
  
  Caption: Close-up of mouth
• 
  Species:
  Rhadinoloricaria rhami
  
  Caption: Close-up of mouth
• 
  Species:
  Rhadinoloricaria sp. `RIO PALOMETILLA`
  
  Caption: Close-up of mouth
• 
  Species:
  Rhinelepis strigosa
  
  Caption: Close-up of mouth
• 
  Species:
  Rineloricaria formosa
  
  Caption: Close-up of mouth
• 
  Species:
  Rineloricaria parva
  
  Caption: Close-up of mouth
• 
  Species:
  Rineloricaria sp. `ARGENTINA`
  
  Caption: Close-up of mouth
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of mouth
• 
  Species:
  Scobinancistrus cf. pariolispos
  
  Caption: Close-up of mouth
• 
  Species:
  Scobinancistrus cf. pariolispos
  
  Caption: Close-up of mouth
• 
  Species:
  Scobinancistrus raonii
  
  Caption: Close-up of mouth
• 
  Species:
  Scobinancistrus sp. (L253)
  
  Caption: Close-up of mouth
• 
  Species:
  Scobinancistrus sp. (L362)
  
  Caption: Close-up of mouth
• 
  Species:
  Scobinancistrus sp. (L368)
  
  Caption: Close-up of mouth
• 
  Species:
  Spatuloricaria sp. `RIO GUAMA`
  
  Caption: Close-up of mouth
• 
  Species:
  Spatuloricaria sp. (LDA114)
  
  Caption: Close-up of mouth
• 
  Species:
  Spatuloricaria terracanticum
  
  Caption: Close-up of mouth
• 
  Species:
  Spectracanthicus murinus
  
  Caption: Close-up of mouth
• 
  Species:
  Spectracanthicus punctatissimus
  
  Caption: Close-up of mouth
• 
  Species:
  Spectracanthicus sp. (L391)
  
  Caption: Close-up of mouth
• 
  Species:
  Spectracanthicus zuanoni
  
  Caption: Close-up of mouth
• 
  Species:
  Spectracanthicus zuanoni
  
  Caption: Close-up of mouth
• 
  Species:
  Sturisoma barbatum
  
  Caption: Close-up of mouth
• 
  Species:
  Sturisoma robustum
  
  Caption: Close-up of mouth
• 
  Species:
  Sturisoma sp. `JACAREACANGA`
  
  Caption: Close-up of mouth
• 
  Species:
  Sturisomatichthys festivus
  
  Caption: Close-up of mouth
• 
  Species:
  Sturisomatichthys sp. `RIO ATABAPO`
  
  Caption: Close-up of mouth
• 
  Species:
  Atopochilus mandevillei
  
  Caption: Close-up of mouth
• 
  Species:
  Atopodontus adriaensi
  
  Caption: Close-up of mouth
• 
  Species:
  Chiloglanis anoterus
  
  Caption: Close-up of mouth
• 
  Species:
  Chiloglanis congicus
  
  Caption: Close-up of mouth
• 
  Species:
  Chiloglanis congicus
  
  Caption: Close-up of mouth
• 
  Species:
  Chiloglanis polypogon
  
  Caption: Close-up of mouth
• 
  Species:
  Chiloglanis pretoriae
  
  Caption: Close-up of mouth
• 
  Species:
  Chiloglanis sp. `PUNGWE RIVER`
  
  Caption: Close-up of mouth
• 
  Species:
  Euchilichthys cf. astatodon
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis acanthomias
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis acanthomias
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis angelicus
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis brichardi
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis caudalis
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis macrostigma
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis macrostoma
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis njassae
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis ocellifer
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis polli
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis schall
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis smiti
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis soloni
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis sp. `NIGERIA`
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis sp. `POLLI WHITE`
  
  Caption: Close-up of mouth
• 
  Species:
  Synodontis zambezensis
  
  Caption: Close-up of mouth
• 
  Species:
  Calophysus macropterus
  
  Caption: Close-up of mouth
• 
  Species:
  Pimelodus argenteus
  
  Caption: Close-up of mouth
• 
  Species:
  Platystomatichthys sturio
  
  Caption: Close-up of mouth
• 
  Species:
  Platystomatichthys sturio
  
  Caption: Close-up of mouth
• 
  Species:
  Pterocryptis berdmorei
  
  Caption: Close-up of mouth
• 
  Species:
  Wallago attu
  
  Caption: Close-up of mouth
• 
  Species:
  Exostoma tenuicaudatum
  
  Caption: Close-up of mouth
• 
  Species:
  Pseudostegophilus nemurus
  
  Caption: Close-up of mouth
• 
  Species:
  Panaqolus sp. `ACRE`
  
  Caption: Close-up of mouth - Rio Amonia near the Brazilian town of Marechal Taumaturgo
• 
  Species:
  Pterygoplichthys gibbiceps
  
  Caption: Close-up of mouth (albino)
• 
  Species:
  Hypancistrus sp. (L004)
  
  Caption: Close-up of mouth (L028)
• 
  Species:
  Hypancistrus sp. (L316)
  
  Caption: Close-up of mouth (male)
• 
  Species:
  Peckoltia sp. (L080)
  
  Caption: Close-up of mouth (male)
• 
  Species:
  Synodontis vanderwaali
  
  Caption: Close-up of mouth & barbels
• 
  Species:
  Hoplosternum littorale
  
  Caption: Close-up of mouth and barbels
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Close-up of mouth of male
• 
  Species:
  Pseudacanthicus sp. (L273)
  
  Caption: Close-up of mouth showing teeth
• 
  Species:
  Synodontis irsacae
  
  Caption: Close-up of mouth showing teeth
• 
  Species:
  Oreoglanis omkoiensis
  
  Caption: Close-up of mouth, showing notched lower lip
• 
  Species:
  Hypostomus hemiurus
  
  Caption: Close-up of mouth. Photo: Andrew Snyder
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of mouth. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species:
  Peckoltia sabaji
  
  Caption: Close-up of odontodes
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of odontodes. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species:
  Bagrus meridionalis
  
  Caption: Close-up of offspring
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of opercular odontodes
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of opercular odontodes. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species:
  Rineloricaria parva
  
  Caption: Close-up of pair guarding eggs
• 
  Species:
  Ancistrus sp. (L513)
  
  Caption: Close-up of paired fins
• 
  Species:
  Panaqolus sp. (L002)
  
  Caption: Close-up of paired fins
• 
  Species:
  Peckoltia braueri
  
  Caption: Close-up of paired fins
• 
  Species:
  Rineloricaria lanceolata
  
  Caption: Close-up of paired fins
• 
  Species:
  Hypancistrus sp. (L500)
  
  Caption: Close-up of pectoral and ventral fins
• 
  Species:
  Loricaria simillima
  
  Caption: Close-up of pectoral and ventral fins
• 
  Species:
  Planiloricaria cryptodon
  
  Caption: Close-up of pectoral and ventral fins
• 
  Species:
  Pseudohemiodon laticeps
  
  Caption: Close-up of pectoral and ventral fins
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Close-up of pectoral and ventral fins
• 
  Species:
  Bunocephalus coracoideus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Auchenipterichthys coracoideus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Spinipterus moijiri
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hyalobagrus flavus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hoplisoma loretoense
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hoplisoma sp. (Cw028)
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Agamyxis pectinifrons
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Amblydoras nauticus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hemidoras boulengeri
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Ancistrus caucanus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Chaetostoma anale
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Chaetostoma vagum
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Dekeyseria picta
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Harttia punctata
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypancistrus contradens
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypancistrus sp. (L136)
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypancistrus sp. (L260)
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypancistrus sp. (L333)
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypancistrus sp. (L471)
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypancistrus sp. (L527)
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypancistrus zebra
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypostomus argus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypostomus isbrueckeri
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypostomus niceforoi
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Hypostomus oculeus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Lamontichthys llanero
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Loricaria lata
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Loricaria nimairaco
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Panaque armbrusteri
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Parotocinclus haroldoi
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Peckoltia compta
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Peckoltia sabaji
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Pseudohemiodon almendarizi
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Pseudohemiodon unillano
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Rineloricaria eigenmanni
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Spectracanthicus punctatissimus
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Sturisoma rostratum
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Synodontis grandiops
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Synodontis waterloti
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Brachyplatystoma tigrinum
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Erethistes jerdoni
  
  Caption: Close-up of pectoral fin
• 
  Species:
  Panaque schaeferi
  
  Caption: Close-up of pectoral fin area
• 
  Species:
  Duringlanis perugiae
  
  Caption: Close-up of pectoral fin ray
• 
  Species:
  Liosomadoras oncinus
  
  Caption: Close-up of pectoral fin ray
• 
  Species:
  Callichthys callichthys
  
  Caption: Close-up of pectoral fin ray
• 
  Species:
  Acanthicus hystrix
  
  Caption: Close-up of Pectoral fin. Rio Tocantins, near town of Estreito, Maranhão state, Brazil
• 
  Species:
  Panaqolus sp. (L448)
  
  Caption: Close-up of pectoral fins
• 
  Species:
  Peckoltia sp. (L205)
  
  Caption: Close-up of pectoral fins
• 
  Species:
  Rineloricaria aurata
  
  Caption: Close-up of pectoral fins
• 
  Species:
  Hypostomus pyrineusi
  
  Caption: Close-up of pectoral odontodes
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Close-up of pectoral odontodes
• 
  Species:
  Phractocephalus hemioliopterus
  
  Caption: Close-up of platinum colour form
• 
  Species:
  Pangasius nasutus
  
  Caption: Close-up of porus pectoralis
• 
  Species:
  Acestridium scutatum
  
  Caption: Close-up of rostrum
• 
  Species:
  Acestridium triplax
  
  Caption: Close-up of rostrum
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Close-up of rows of tubercules on tail
• 
  Species:
  Bunocephalus verrucosus
  
  Caption: Close-up of shedding skin
• 
  Species:
  Amaralia hypsiura
  
  Caption: Close-up of skin shedding
• 
  Species:
  Pangasianodon gigas
  
  Caption: Close-up of skull
• 
  Species:
  Hypoptopoma inexspectatum
  
  Caption: Close-up of snout-key identification feature
• 
  Species:
  Megalechis picta
  
  Caption: Close-up of spawning bubble nest
• 
  Species:
  Pimelodus pictus
  
  Caption: Close-up of spine
• 
  Species:
  Synodontis ocellifer
  
  Caption: Close-up of spots on mature fish
• 
  Species:
  Astroblepus sp. (1)
  
  Caption: Close-up of suckermouth
• 
  Species:
  Acanthicus adonis
  
  Caption: Close-up of suckermouth
• 
  Species:
  Chaetostoma sp. (L402)
  
  Caption: Close-up of suckermouth
• 
  Species:
  Megalancistrus parananus
  
  Caption: Close-up of suckermouth
• 
  Species:
  Panaque schaeferi
  
  Caption: Close-up of suckermouth
• 
  Species:
  Pseudacanthicus sp. (L273)
  
  Caption: Close-up of suckermouth
• 
  Species:
  Stellantia siderea
  
  Caption: Close-up of suckermouth
• 
  Species:
  Euchilichthys guentheri
  
  Caption: Close-up of suckermouth
• 
  Species:
  Rhinotocinclus isabelae
  
  Caption: Close-up of suckermouth (5cm TL)
• 
  Species:
  Channallabes apus
  
  Caption: Close-up of tail
• 
  Species:
  Clarias alluaudi
  
  Caption: Close-up of tail
• 
  Species:
  Gymnallabes typus
  
  Caption: Close-up of tail
• 
  Species:
  Anadoras grypus
  
  Caption: Close-up of tail
• 
  Species:
  Anadoras weddellii
  
  Caption: Close-up of tail
• 
  Species:
  Hassar wilderi
  
  Caption: Close-up of tail
• 
  Species:
  Corumbataia tocantinensis
  
  Caption: Close-up of tail
• 
  Species:
  Farlowella altocorpus
  
  Caption: Close-up of tail
• 
  Species:
  Farlowella azpelicuetae
  
  Caption: Close-up of tail
• 
  Species:
  Farlowella nattereri
  
  Caption: Close-up of tail
• 
  Species:
  Oxyropsis wrightiana
  
  Caption: Close-up of tail
• 
  Species:
  Panaqolus sp. (L169)
  
  Caption: Close-up of tail
• 
  Species:
  Rhinotocinclus chromodontus
  
  Caption: Close-up of tail
• 
  Species:
  Rineloricaria eigenmanni
  
  Caption: Close-up of tail
• 
  Species:
  Rineloricaria sp. (5)
  
  Caption: Close-up of tail
• 
  Species:
  Rineloricaria stewarti
  
  Caption: Close-up of tail
• 
  Species:
  Plotosus papuensis
  
  Caption: Close-up of tail
• 
  Species:
  Glyptothorax decussatus
  
  Caption: Close-up of tail
• 
  Species:
  Pseudostegophilus nemurus
  
  Caption: Close-up of tail
• 
  Species:
  Cetopsis coecutiens
  
  Caption: Close-up of teeth
• 
  Species:
  Leporacanthicus joselimai
  
  Caption: Close-up of teeth
• 
  Species:
  Leporacanthicus sp. (L473)
  
  Caption: Close-up of teeth
• 
  Species:
  Panaqolus albivermis
  
  Caption: Close-up of teeth
• 
  Species:
  Pseudacanthicus spinosus
  
  Caption: Close-up of teeth
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Close-up of teeth
• 
  Species:
  Sorubim lima
  
  Caption: Close-up of teeth
• 
  Species:
  Belodontichthys dinema
  
  Caption: Close-up of teeth
• 
  Species:
  Wallago attu
  
  Caption: Close-up of teeth
• 
  Species:
  Hypostomus hemiurus
  
  Caption: Close-up of teeth. Photo: Andrew Snyder
• 
  Species:
  Hemibagrus variegatus
  
  Caption: Close-up of the colour pattern
• 
  Species:
  Glyptothorax zeiladensis
  
  Caption: Close-up of thoracic adhesive apparatus
• 
  Species:
  Amphilius platychir
  
  Caption: Close-up of unculi on the ventral surface of the pectoral spine
• 
  Species:
  Amphilius uranoscopus
  
  Caption: Close-up of unculi on the ventral surface of the pectoral spine
• 
  Species:
  Hypoptopoma thoracatum
  
  Caption: Close-up of underside
• 
  Species:
  Hypostomus plecostomoides
  
  Caption: Close-up of underside of head
• 
  Species:
  Pterygoplichthys gibbiceps
  
  Caption: Close-up of underside of head
• 
  Species:
  Sturisomatichthys aureus
  
  Caption: Close-up of underside of head showing same.
• 
  Species:
  Oreoglanis macroptera
  
  Caption: Close-up of underside of mouth
• 
  Species:
  Acanthicus adonis
  
  Caption: Close-up of upper body
• 
  Species:
  Lamontichthys llanero
  
  Caption: Close-up of upper body
• 
  Species:
  Otocinclus flexilis
  
  Caption: Close-up of upper body
• 
  Species:
  Microglanis berbixae
  
  Caption: Close-up of urogenital papillae. A. Female, B. Male.
• 
  Species:
  Batrochoglanis transmontanus
  
  Caption: Close-up of venomous pectoral fin spine
• 
  Species:
  Hemidoras boulengeri
  
  Caption: Close-up of ventral fin
• 
  Species:
  Acestridium sp. `MANICORE`
  
  Caption: Close-up of ventral plates
• 
  Species:
  Acestridium triplax
  
  Caption: Close-up of ventral plates
• 
  Species:
  Sturisoma rostratum
  
  Caption: Close-up of ventral plates
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Close-up of ventral view
• 
  Species:
  Lamontichthys llanero
  
  Caption: Close-up of ventral view
• 
  Species:
  Loricariichthys anus
  
  Caption: Close-up of ventral view
• 
  Species:
  Rineloricaria sp. (3)
  
  Caption: Close-up of ventral view
• 
  Species:
  Rineloricaria sp. (4)
  
  Caption: Close-up of ventral view
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Close-up of ventral view
• 
  Species:
  Glyptothorax scrobiculus
  
  Caption: Close-up of ventral view
• 
  Species:
  Acestridium dichromum
  
  Caption: Close-up of ventral view of head
• 
  Species:
  Acestridium dichromum
  
  Caption: Close-up of ventral view of head
• 
  Species:
  Farlowella myriodon
  
  Caption: Close-up of ventral view of head
• 
  Species:
  Metaloricaria paucidens
  
  Caption: Close-up of ventral view of head
• 
  Species:
  Synodontis polli
  
  Caption: Close-up of ventral view of head
• 
  Species:
  Chauliocheilos saxatilis
  
  Caption: Close-up of ventral view of male's head
• 
  Species:
  Farlowella mariaelenae
  
  Caption: Close-up showing 3 columns of ventral plates
• 
  Species:
  Synodontis membranaceus
  
  Caption: Close-up showing barbel detail
• 
  Species:
  Synodontis membranaceus
  
  Caption: Close-up showing barbel detail
• 
  Species:
  Ancistrus sp. (4)
  
  Caption: Close-up showing black eye
• 
  Species:
  Megalancistrus sp. (L234)
  
  Caption: Close-up showing everted cheek spines
• 
  Species:
  Leporacanthicus cf. galaxias(l240)
  
  Caption: Close-up showing fimbrations on suckermouth
• 
  Species:
  Synodontis granulosus
  
  Caption: Close-up showing granulose head patterning
• 
  Species:
  Pseudomystus siamensis
  
  Caption: Close-up showing sexual dimorphism (male below)
• 
  Species:
  Synodontis decorus
  
  Caption: Close-up showing short branches on Maxillary barbels
• 
  Species:
  Synodontis resupinatus
  
  Caption: Close-up showing short branches on Maxillary barbels
• 
  Species:
  Pseudecheneis sulcata
  
  Caption: Close-up ventral fins
• 
  Species:
  Ageneiosus uranophthalmus
  
  Caption: Close-up ventral view
• 
  Species:
  Lithoxancistrus orinoco
  
  Caption: Close-up ventral view
• 
  Species:
  Loricaria birindellii
  
  Caption: Close-up ventral view
• 
  Species:
  Peckoltia sp. (L265)
  
  Caption: Close-up ventral view
• 
  Species:
  Pseudorinelepis sp. (L095)
  
  Caption: Close-up ventral view
• 
  Species:
  Synodontis angelicus
  
  Caption: Close-up ventral view
• 
  Species:
  Pseudecheneis sulcata
  
  Caption: Close-up ventral view
• 
  Species:
  Pseudolaguvia virgulata
  
  Caption: Close-up ventral view
• 
  Species:
  Rineloricaria melini
  
  Caption: Close-up ventral view of fry
• 
  Species:
  Otocinclus vittatus
  
  Caption: Close-up ventral view of mouth and chest
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Female - close-up of body odontodes
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Female - close-up of head
• 
  Species:
  Scobinancistrus sp. (L253)
  
  Caption: Female - close-up of head
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Female - close-up of pectoral odontodes
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Female close-up
• 
  Species:
  Pseudolithoxus dumus
  
  Caption: Female, close-up of pectoral fin
• 
  Species:
  Neoplecostomus microps
  
  Caption: Female, close-up of single anal/urogenital pore
• 
  Species:
  Tatia sp. (2)
  
  Caption: Female: Close-up of anal fin
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: L081 close-up of female head
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: L081 close-up of male head
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: L081 close-up of mouth
• 
  Species:
  Dekeyseria picta
  
  Caption: L168, close-up of mouth
• 
  Species:
  Pseudolithoxus kinja
  
  Caption: L385, Close-up of pectoral fin
• 
  Species:
  Chaetostoma sacramento
  
  Caption: L455, close-up of head
• 
  Species:
  Chaetostoma sacramento
  
  Caption: L455, close-up of mouth
• 
  Species:
  Chaetostoma sacramento
  
  Caption: L457, close-up of head
• 
  Species:
  Pseudolithoxus kinja
  
  Caption: L492, Female, close-up of mouth
• 
  Species:
  Pseudolithoxus kinja
  
  Caption: L492, Male, close-up of mouth
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Male - close-up of head
• 
  Species:
  Scobinancistrus sp. (L253)
  
  Caption: Male - close-up of head
• 
  Species:
  Chaetostoma formosae
  
  Caption: Male - close-up of ventral view
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Male close-up
• 
  Species:
  Neoplecostomus microps
  
  Caption: Male, close-up of epidermal growth on pelvic fin
• 
  Species:
  Chaca chaca
  
  Caption: Male, close-up of face
• 
  Species:
  Spatuloricaria sp. (LDA115)
  
  Caption: Male, close-up of head
• 
  Species:
  Pseudolithoxus dumus
  
  Caption: Male, close-up of pectoral fin
• 
  Species:
  Neoplecostomus microps
  
  Caption: Male, close-up of separate anal & urogenital pores
• 
  Species:
  Tatia sp. (2)
  
  Caption: Male: Close-up of pelvic fin
• 
  Species:
  Panaque suttonorum
  
  Caption: Maracaibo basin; Close-up of mouth
• 
  Species:
  Panaque suttonorum
  
  Caption: Maracaibo basin; Close-up of odontodes
• 
  Species:
  Pseudolaguvia tuberculata
  
  Caption: Microscopic close-up view of the adhesive apparatus showing hook like structures called
• 
  Species:
  Pseudolaguvia tuberculata
  
  Caption: Microscopic close-up view of the adhesive apparatus.
• 
  Species:
  Glyptothorax telchitta
  
  Caption: Microscopic close-up view of tubercules on skin.
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - close-up of dorsal head view
• 
  Species:
  Glanidium ribeiroi
  
  Caption: Preserved specimen - close-up of head
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - close-up of head
• 
  Species:
  Hypostomus sp. `RIO IGUAZU`
  
  Caption: Rio Iguazu; Close-up of mouth
• 
  Species:
  Panaque armbrusteri
  
  Caption: Rio Jamanxim close-up of odontodes
• 
  Species:
  Hypostomus pyrineusi
  
  Caption: Rio Sucunduri. Close-up of mouth
• 
  Species:
  Rineloricaria jubata
  
  Caption: San Juan River, Choco, Colombia. Close-up of mouth
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Super close-up of embryo