a4b972ab_m_and_Freshwater_Fish_Problems__Problem
[Symptoms] fish gradually becomes thin, loss of color, sunken eyes, emaciated stomach, in later stages fish will lie on bottom and may develop sores. [Solution] This is a bacterial infection that usually only affects one or two fish at a time and progresses slowly over a period of several months. If you are certain the problem is not due to inadequate diet isolate the infected fish in a separate tank or fish bowl. Treatment is not always effective, but feed them medicated food exclusively for several weeks. If problem persists over a period of several months clean and disinfect the tank. [Problem] 
Inadequate Diet
Aquarium and Freshwater Fish Problems
Problem