Abstract

Abstract Five thousand coho salmon (Oncorhynchus kisutch) were stocked each spring for 3 consecutive years in a 211.2-ha landlocked lake in northern Wisconsin. From an average stocking size of 198 mm and 82 g, the average growth increment was 160-183 mm and 197-362 g after 16-19 months in the lake. The salmon grew to an apparent maximum of 457 mm total length and 940 g. Angling catch rates were high; more than 50% of the 1970 stock was caught during the year of planting. During the life of the fish stocked in 1970, at least 54% of the number and 73% of the weight originally stocked were harvested by anglers. Growth rates were faster than in Pallette Lake, Wisconsin, similar to those in inland Minnesota, Michigan, and Colorado lakes, and slower than those in Lake Berryessa, California, or in Lakes Michigan and Superior.

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