If conditions are not improved, the condition of the fish will slowly deteriorate and the animal may die. Improve environmental conditions, maintain optimum water quality and proper diet. The use of vitamin supplements may help. Maintain healthy diet. This condition can be caused by the introduction or overdosing of medications, heavy metals, chlorine or chloramine, household chemicals, or other toxic substances.
Immediate action is required to prevent poisoning or permanent damage.
Remove the pollutants from the tank through water changes and the use of filter media such as activated carbon. If the condition if critical, move the animals to a tank with clean water. A cover for the aquarium may help. Follow instructions carefully when using medications. Tendency to bloat after feeding, sunken stomach, thinness, listlessness, loss of color.