Fish

Fish Diseases - Spring Viremia of Carp (SVC)

Fish Diseases - Bacterial Kidney Disease (BKD)

Species Studied - Koi ( Cyprinus carpio koi )

Species Studied - Yellow Perch ( Perca flavescens )

Species Studied - Chinook Salmon ( Oncorhynchus tshawytscha )

Species Studied - Bull Trout ( Salvelinus confluentus )

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.