West Coast Fish Pathogen Now Found in the East

Science Center Objects

Research by the USGS identified a fish pathogen similar to one previously found in the United States only in Pacific salmonids -- salmon and trout species -- in the eastern United States and in a non-salmon species.

A sampling effort found the pathogen, Dermocystidium, within cysts on the bodies of Blue Ridge sculpin, although it can cause cysts in the gills and internal organs of infected fish as well, and sometimes death. Before this new study, infections of this pathogen in the U.S. were restricted to Pacific salmonid species in west coast rivers, although it has been reported in other species in Europe.  ...learn more


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