Naturalists and recreational anglers will welcome the paperback edition of this comprehensive volume, first published in 1986, which describes every species in the lakes and streams of the Great Basin. Includes an updated checklist of established species, discussion of threatened and endangered species, glossary, bibliography, and index.

Toxicity of detergent levels to rainbow trout was determined by probit analysis. Effects on gill tissues and blood were noted and measured. Destruction of gill tissues were severe. The respiratory surface was greatly reduced by lysis and clumping of lamellae. Edema in the epithelial cells of the lamellae and thrombi in the capillaries was evident.