Diseases and parasites in salmon

Sample of pink salmon caught off the Queen Charlotte Islands, Western Canada in 2009, infected with Henneguya salminicola

Diseases and parasites in salmon, trout and other salmon-like fishes of the family Salmonidae are also found in other fish species. The life cycle of many salmonids is anadromous, so such fish are exposed to parasites in fresh water, brackish water and saline water.