Fish who are stressed are also more susceptible. Its important to note that some fish have naturally protruding eyes, such as certain species of fancy goldfish. If bought as a juvenile, it will take up to 2 years to develop natural protruding eyes. Know how a fish should look as an adult before you accidentally treat it for non-existing diseases. Redness on body, blood streaks on skin and fins, inflamed blood vessels, hemorrhaging around the eyes, sluggishness and loss of appetite.
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.