Fecundity of Steelhead Trout, Salmo gairdneri, from Alsea River, Oregon

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Abstract
In a sample of 73 females of winter steelhead, Salmo gairdneri Richardson, from the 1965–66 spawning run in the Alsea River, Oregon, egg size and egg number were correlated with body length. Alsea steelhead produced approximately 32% fewer eggs than females from Trinity River, California, and 51% less than fish of similar size from Scott Creek, California.