Septicemia usually occurs along side other diseases, and can result from poor water conditions. There is a high risk of Dropsy occurring as result of septicemia. Treat with Maracyn-Two medication. Isolate the fish. Then call a pet store or ask your vet for information on treatment.
Scales fall out, leaving pits on fish's hide.
Fish rubs against things in attempt to rid itself of parasites living on the skin. Fins may become slightly frayed and skin may redden. This disease causes the protective slime covering the fish's body to get thick and mucusy. Once disease spreads to gills, death will occur. It may be inflammed and even expose muscle underneath.