Gyrodactylus salaris, commonly known as salmon fluke, salmon killer, or the Norwegian salmon killer is a tiny monogenean ectoparasite which lives on the body surface of freshwater fish. This leech-like parasite has been implicated in the reduction of Atlantic salmon populations in the Norwegian fjords.
Gyrodactylus salaris, a parasite affecting freshwater fish, is known for its impact on Atlantic salmon populations in the Norwegian fjords.