In line with the development of a disease that attacks the human body, as well as development occurs diseases that attack fish. Initially the disease that attacks the fish was caused by endoparasites, ectoparasites and bacteria. however, due to the changing environment, whether caused by human activity and due to the dynamic changes of nature itself, the virus began to attack the fish. Attacks by this virus disease, tragically led to mass death.
There are some viruses that attack fish and become famous such as: