Fungus Infections in Fish

Many factors such as bacteria, viruses, parasites and fungi can cause infections in fish. Fungal infections are often overlooked because they are secondary to other infections. However, these infections can cause serious economic losses as they cause problems such as mortality, growth retardation, deformed appearance due to lesions on the skin, and negatively affect hatching rates, especially in farmed fish. In addition, it can cause infections in aquarium fish and the same findings can be seen in them. This article reviews the classification, aetiology, epidemiology, clinical and pathological findings, possible diagnosis, treatment and prevention of fungal infections in fish.