You searched for species with distribution of Amazon, Middle Amazon (Solimoes), Negro, Lower Negro and sorted by species.
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1. Acanthicus sp. (L407) (i:0, k: 1)/siluriformes/loricariidae/acestridium/discus/1.jpg "Acestridium discus")
2. Acestridium discus (i:6, k: 2)
Size: 67mm (2.6")
Temp: 26.0-30.0°C (78.8-86°F)
IUCN: Least Concern/siluriformes/auchenipteridae/ageneiosus/polystictus/1.jpg "Ageneiosus polystictus")
3. Ageneiosus polystictus (i:12, k: 2)
Size: 450mm (17.7")
IUCN: Least Concern/siluriformes/doradidae/amblydoras/affinis/1.jpg "Amblydoras affinis")
4. Amblydoras affinis (i:3, k: 4)
Size: 132mm (5.2")/siluriformes/loricariidae/ancistrus/dolichopterus/1.jpg "Ancistrus dolichopterus")
5. Ancistrus dolichopterus (i:36, k: 378)
Size: 118mm (4.6")
Temp: 23.0-28.0°C (73.4-82.4°F)
pH: 5.0-6.5
IUCN: Least Concern/siluriformes/loricariidae/ancistrus/maximus/1.jpg "Ancistrus maximus")
6. A. maximus (i:4, k: 8)
Size: 200mm (7.9")
IUCN: Not Evaluated/siluriformes/loricariidae/ancistrus/nudiceps/1.jpg "Ancistrus nudiceps")
7. A. nudiceps (i:2, k: 0)
Size: 79mm (3.1")
IUCN: Least Concern/siluriformes/loricariidae/ancistrus/saudades/1.jpg "Ancistrus saudades")
8. A. saudades (i:6, k: 0)
IUCN: Least Concern/siluriformes/loricariidae/ancistrus/sp%60lower_rio_negro%60/1.jpg "Ancistrus sp. `LOWER RIO NEGRO`")
9. A. sp. `LOWER RIO NEGRO` (i:5, k: 6)/siluriformes/loricariidae/ancistrus/sp%28l088%29/1.jpg "Ancistrus sp. (L088)")
10. A. sp. (L088) (i:10, k: 13)
Size: 100mm (3.9")/siluriformes/loricariidae/ancistrus/sp%28l089%29/1.jpg "Ancistrus sp. (L089)")
11. A. sp. (L089) (i:5, k: 15)
Size: 120mm (4.7")/siluriformes/loricariidae/aphanotorulus/emarginatus/1.jpg "Aphanotorulus emarginatus")
12. Aphanotorulus emarginatus (i:21, k: 24)
Size: 400mm (15.7")
Temp: 25.0-28.0°C (77-82.4°F)
pH: 6.4-7.2
IUCN: Least Concern/siluriformes/auchenipteridae/auchenipterichthys/punctatus/1.jpg "Auchenipterichthys punctatus")
13. Auchenipterichthys punctatus (i:9, k: 7)
Size: 151mm (5.9")
IUCN: Least Concern/siluriformes/heptapteridae/brachyrhamdia/heteropleura/1.jpg "Brachyrhamdia heteropleura")
14. Brachyrhamdia heteropleura (i:2, k: 0)
Size: 43mm (1.7")
IUCN: Least Concern/siluriformes/heptapteridae/brachyrhamdia/rambarrani/1.jpg "Brachyrhamdia rambarrani")
15. B. rambarrani (i:3, k: 2)
Size: 55mm (2.2")
Temp: 24.0-26.0°C (75.2-78.8°F)
pH: 5.8-7.0
IUCN: Least Concern/siluriformes/callichthyidae/brochis(sc3)/crimmeni/1.jpg "Brochis (sub-clade 3) crimmeni")
16. Brochis (sub-clade 3) crimmeni (i:4, k: 2)
Size: 40mm (1.6")
IUCN: Not Evaluated/siluriformes/cetopsidae/cetopsidium/pemon/1.jpg "Cetopsidium pemon")
17. Cetopsidium pemon (i:3, k: 0)
Size: 43mm (1.7")
IUCN: Least Concern/siluriformes/cetopsidae/cetopsidium/soniae/1.jpg "Cetopsidium soniae")
18. C. soniae (i:3, k: 0)
Size: 35mm (1.4")
IUCN: Data Deficient/siluriformes/heptapteridae/cetopsorhamdia/insidiosa/1.jpg "Cetopsorhamdia insidiosa")
19. Cetopsorhamdia insidiosa (i:2, k: 0)
Size: 77mm (3")
IUCN: Least Concern/siluriformes/loricariidae/chaetostoma/jegui/1.jpg "Chaetostoma jegui")
20. Chaetostoma jegui (i:2, k: 0)
Size: 168mm (6.6")
IUCN: Least Concern
21. Cheilonimata papillosa (i:0, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/dekeyseria/picta/1.jpg "Dekeyseria picta")
22. Dekeyseria picta (i:49, k: 365)
Size: 140mm (5.5")
Temp: 24.0-27.0°C (75.2-80.6°F)
pH: 5.6-6.8
IUCN: Least Concern/siluriformes/callichthyidae/hoplisoma/kanei/1.jpg "Hoplisoma kanei")
23. Hoplisoma kanei (i:8, k: 30)
Size: 38mm (1.5")
Temp: 21.5-25.0°C (70.7-77°F)
pH: 6.5-7.4
IUCN: Not Evaluated/siluriformes/callichthyidae/hoplisoma/sp%28c129%29/1.jpg "Hoplisoma sp. (C129)")
24. H. sp. (C129) (i:5, k: 3)
Size: 55mm (2.2")
IUCN: Not Evaluated/siluriformes/callichthyidae/hoplisoma/sp%28cw001%29/1.jpg "Hoplisoma sp. (Cw001)")
25. H. sp. (Cw001) (i:1, k: 4)
IUCN: Not Evaluated/siluriformes/loricariidae/hypancistrus/margaritatus/1.jpg "Hypancistrus margaritatus")
26. Hypancistrus margaritatus (i:5, k: 14)
IUCN: Not Evaluated/siluriformes/loricariidae/hypostomus/macushi/1.jpg "Hypostomus macushi")
27. Hypostomus macushi (i:6, k: 2)
Size: 142mm (5.6")
IUCN: Least Concern/siluriformes/loricariidae/hypostomus/sp%60rio_uraricoera%60/1.jpg "Hypostomus sp. `RIO URARICOERA`")
28. H. sp. `RIO URARICOERA` (i:2, k: 0)/siluriformes/loricariidae/lasiancistrus/schomburgkii/1.jpg "Lasiancistrus schomburgkii")
29. Lasiancistrus schomburgkii (i:1, k: 0)
Size: 75mm (3")
IUCN: Least Concern/siluriformes/auchenipteridae/liosomadoras/oncinus/1.jpg "Liosomadoras oncinus")
30. Liosomadoras oncinus (i:26, k: 90)
Size: 170mm (6.7")
Temp: 20.0-28.0°C (68-82.4°F)
pH: 5.6-7.2
IUCN: Least Concern
31. Loricaria cuffyi (i:0, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/loricaria/spinulifera/1.jpg "Loricaria spinulifera")
32. L. spinulifera (i:3, k: 0)
Size: 138mm (5.4")/siluriformes/loricariidae/nannoxyropsis/ephippia/1.jpg "Nannoxyropsis ephippia")
33. Nannoxyropsis ephippia (i:3, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/panaqolus/claustellifer/1.jpg "Panaqolus claustellifer")
34. Panaqolus claustellifer (i:18, k: 66)
Size: 90mm (3.5")
IUCN: Not Evaluated/siluriformes/trichomycteridae/paracanthopoma/parva/1.jpg "Paracanthopoma parva")
35. Paracanthopoma parva (i:1, k: 0)
Size: 27mm (1.1")
IUCN: Least Concern/siluriformes/loricariidae/paralithoxus/bovallii/1.jpg "Paralithoxus bovallii")
36. Paralithoxus bovallii (i:3, k: 1)
Size: 59mm (2.3")
IUCN: Not Evaluated/siluriformes/loricariidae/paralithoxus/cf_raso/1.jpg "Paralithoxus cf. raso")
37. P. cf. raso (i:4, k: 1)
IUCN: Not Evaluated/siluriformes/loricariidae/paralithoxus/mocidade/1.jpg "Paralithoxus mocidade")
38. P. mocidade (i:8, k: 0)
Size: 55mm (2.2")
Temp: 21.5-22.0°C (70.7-71.6°F)
pH: 5.5-5.5
IUCN: Not Evaluated
39. Paravandellia luna (i:0, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/peckoltia/braueri/1.jpg "Peckoltia braueri")
40. Peckoltia braueri (i:24, k: 74)
Size: 130mm (5.1")
Temp: 23.0-27.0°C (73.4-80.6°F)
pH: 6.5-7.2
IUCN: Least Concern
41. Phenacorhamdia nigrolineata (i:0, k: 0)
Size: 38mm (1.5")
IUCN: Data Deficient
42. Potamoglanis hasemani (i:0, k: 0)
Size: 18mm (0.7")
IUCN: Least Concern
43. P. wapixana (i:0, k: 0)
IUCN: Least Concern/siluriformes/loricariidae/pseudacanthicus/leopardus/1.jpg "Pseudacanthicus leopardus")
44. Pseudacanthicus leopardus (i:41, k: 114)
Size: 150mm (5.9")
Temp: 25.0-29.0°C (77-84.2°F)
IUCN: Least Concern/siluriformes/loricariidae/pseudacanthicus/sp%28l406%29/1.jpg "Pseudacanthicus sp. (L406)")
45. P. sp. (L406) (i:4, k: 1)
Size: 500mm (19.7")/siluriformes/loricariidae/pseudancistrus/sp%28l438%29/1.jpg "Pseudancistrus sp. (L438)")
46. Pseudancistrus sp. (L438) (i:1, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/pseudancistrus/sp%28l439%29/1.jpg "Pseudancistrus sp. (L439)")
47. P. sp. (L439) (i:1, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/pseudancistrus/sp%28l491%29/1.jpg "Pseudancistrus sp. (L491)")
48. P. sp. (L491) (i:5, k: 0)/siluriformes/loricariidae/pseudolithoxus/kinja/1.jpg "Pseudolithoxus kinja")
49. Pseudolithoxus kinja (i:14, k: 0)
Size: 171mm (6.7")
IUCN: Not Evaluated/siluriformes/loricariidae/pseudoloricaria/laeviuscula/1.jpg "Pseudoloricaria laeviuscula")
50. Pseudoloricaria laeviuscula (i:13, k: 0)
Size: 305mm (12")
IUCN: Least Concern/siluriformes/loricariidae/pseudorinelepis/sp%28l095%29/1.jpg "Pseudorinelepis sp. (L095)")
51. Pseudorinelepis sp. (L095) (i:14, k: 49)
Size: 380mm (15")/siluriformes/trichomycteridae/pygidianops/amphioxus/1.jpg "Pygidianops amphioxus")
52. Pygidianops amphioxus (i:1, k: 0)
IUCN: Least Concern/siluriformes/loricariidae/reganella/depressa/1.jpg "Reganella depressa")
53. Reganella depressa (i:3, k: 0)
Size: 113mm (4.4")
IUCN: Least Concern/siluriformes/heptapteridae/rhamdia/foina/1.jpg "Rhamdia foina")
54. Rhamdia foina (i:3, k: 0)
Size: 164mm (6.5")
IUCN: Least Concern/siluriformes/doradidae/rhinodoras/armbrusteri/1.jpg "Rhinodoras armbrusteri")
55. Rhinodoras armbrusteri (i:2, k: 4)
Size: 96mm (3.8")
IUCN: Not Evaluated/siluriformes/pseudopimelodidae/rhyacoglanis/aff_pulcher/1.jpg "Rhyacoglanis aff. pulcher")
56. Rhyacoglanis aff. pulcher (i:9, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/rineloricaria/fallax/1.jpg "Rineloricaria fallax")
57. Rineloricaria fallax (i:11, k: 26)
Size: 157mm (6.2")
Temp: 25.0-29.0°C (77-84.2°F)
pH: 5.8-7.8
IUCN: Least Concern
58. Scoloplax baileyi (i:0, k: 0)
Size: 15mm (0.6")
IUCN: Least Concern/siluriformes/loricariidae/sturisoma/sp%60rio_branco%60/1.jpg "Sturisoma sp. `RIO BRANCO`")
59. Sturisoma sp. `RIO BRANCO` (i:1, k: 0)/siluriformes/doradidae/tenellus/leporhinus/1.jpg "Tenellus leporhinus")
60. Tenellus leporhinus (i:10, k: 5)
Size: 81mm (3.2")
Temp: 22.0-25.0°C (71.6-77°F)
pH: 6.5-7.0
IUCN: Least Concern/siluriformes/auchenipteridae/trachelyopterus/ceratophysus/1.jpg "Trachelyopterus ceratophysus")
61. Trachelyopterus ceratophysus (i:15, k: 4)
IUCN: Least Concern/siluriformes/auchenipteridae/tympanopleura/rondoni/1.jpg "Tympanopleura rondoni")
62. Tympanopleura rondoni (i:3, k: 0)
IUCN: Least Concern/siluriformes/loricariidae/yaluwak/primus/1.jpg "Yaluwak primus")
63. Yaluwak primus (i:3, k: 0)
IUCN: Not Evaluated