The Lake Charr Salvelinus namaycush: Biology, Ecology, Distribution, and Management

The lake charr Salvelinus namaycush is a ubiquitous member of cold—water lake ecosystems in previously glaciated regions of northern continental U.S., Alaska, and Canada that often support important commercial, recreational, and subsistence fisheries. The lake charr differs from other charrs by its large size, longevity, iteroparity, top—predator specialization, reduced sexual dimorphism, prevalence of lacustrine spawning, and use of deepwater habitat. The species is remarkably variable in ...