Pests, Hitchhikers, and Diseases
I need some help. I have a maroon clown that is about 7 y.o. and 6". Recently, he has stopped eating and is not as energetic as usual. The other fish in the tank are fine and show no signs to sickness. The tank is a 55 gallon FOWLR. It has a marineland canister with 2 bio-wheels, an ehiem...