fish fungal disease. Visible signs of infection are lint-like growths, usually white but sometimes grayish black to green. The fungus usually starts on the torso, but can also originate in a damaged area where it can spread and damage the fins, mouth, eyes and gills.

In the aquarium, by checking whether the water is in good condition, the water Whether it is at the right temperature, and whether the water is not too alkaline (pH 7.2 is best for freshwater aquariums), can prevent possible infection. Malachite green can also be applied to infected areas. There are several new specialized treatments that are generally effective against fungi.