my 90 gal is controlled with r/o water and carbon dioxide to maintain a ph value of 6.9 the water is relatively soft with 0 nitite and a small amount of nitrate. the tank is heavly planted. Other inmates include angelfish,4 inch clown loach,faowella cat,albino bristlenose and some small assorted ...

why do my corydoras loose their barbels/feelers? i don't have exceptionally large gravel,from sand to pea sized. thanks for your help

thank-you

why do my corydoras loose their feelers?