wan1967
Fish Fanatic
My sharks tail seems to be disappearing.Nothing in the tank could nibble on it,3 corydorys,3 guppies,1 dwarf honey gourami.Tail still bright red,other fishes tails are fine.Water checked on Sat at local dealer and everything was fine.90l tank,4 months old,light on 8hrs a day,2 amazon swordtail plants.Any help greatly appreciated,cheers Bruce.