Fresh-water fish diseases in west Bengal, India

Abstract

Present day diseases issues are of great concern in fish production. Similar to other animals, fish can also suffer from different diseases. Every fish carry pathogens and parasites. The present study highlight the different fish diseases in west Bengal, India. Generally freshwater fish is the principal source of protein for people in many parts of the world. Disease is a main agent affecting fish mortality in young age. This problem affect our fish biodiversity. The most common freshwater fish diseases-Dropsy, Tail and Fin rot, Koi Herpes virus, Vitamin-C Deficiency, Cloudy Eye, Lymphocystis, Furunculosis etc. Due to the water pollution, a huge amount of bacteria affect fish body, so our present study highlight the actual causes of different fish disease and their damaging power and their symptom.