Pathogen Discovery

Viruses occur in many cultured and wild stocks of fish. William Batts collaborates with many government, state, tribal, and private research and diagnostic laboratories to aid in identification of these unknown replicating agents of uncertain pathogenicity. Typically, viruses can be replicated in a variety of fish cell lines and investigated at several temperatures to see if the cytopathic effect...

Fish Diseases - Ichthyobodo

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.

Fish Diseases - Emerging Viruses

Fish Diseases - Spring Viremia of Carp (SVC)

Species Studied - Yellow Perch ( Perca flavescens )

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.