Wayne A. Hubert Stanley H. Anderson Michael D. Marcus 1984 <p>The lake trout is an important commercial and sport fish in North America. In the Central Rocky Mountain regi on, 1ake trout are common ly referred to as "mackinaw". There is good evidence that lake trout should be called "1 ake charr" (Morton 1980). No subspecies of lake trout is presently recognized (Robins et al. 1980). The species, however, has extreme variability throughout its range, making it difficult to draw general conclusions about its biology (Martin and Olver 1980).</p> application/pdf en U.S. Fish and Wildlife Service Habitat Suitability Index Models: Lake trout (exclusive of the Great Lakes) reports