Anadromous Fish

Species Studied - Chinook Salmon ( Oncorhynchus tshawytscha)

Fish Parasite - Ichthyophonus hoferi

Species Studied - Steelhead Trout ( Oncorhynchus mykiss)

At the request of the State of Washington, the Northwest Indian Fisheries Commission (NWIFC) and the US Fish and Wildlife Service (USFWS), the Western Fisheries Research Center has been providing technical advice and conducting research regarding the emergence of IHNV in the watersheds of coastal Washington State.

The Fish Health Section provides reference laboratory services to identify viral pathogens submitted by staff from the Northwest Indian Fisheries Commission (NWIFC) fish health laboratory.

Fish Diseases - Emerging Viruses

Species Studied - Chinook Salmon ( Oncorhynchus tshawytscha)

Snake River fall Chinook salmon were listed as “threatened” under the Endangered Species Act in 1992. At that time, little was known about the spawning, rearing, migration, and life history of this species. This long-term research and monitoring project has produced much of the contemporary knowledge on fall Chinook salmon that has been used by fish managers to implement recovery measures. The...

A collection of 77 photomicrographs compiled by the late William T. Yasutake, USGS Western Fisheries Research Center, Scientist Emeritus. Individual plates may be downloaded below.