- channel catfish disease
a disease of fry and fingerlings of channel catfish (Ictalurus punctatus) and other Ictaluridae caused by a herpesvirus affecting internal organs. Occurs when water temperatures rise to 25-30ºC. Mortality is very high and survivors are carriers for life. Lowering water temperatures below 19ºC reduces mortality. Fish show loss of equilibrium, spiral swimming and tend to hang vertically in the water. Haemorrhages of the skin and gills occur along with abdominal swelling.
Dictionary of ichthyology. 2009.
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