Lake Trout

Salvelinus namaycush

Common Names

Lake Trout, Laker, Grey Trout, Mackinaw, Great Lakes Trout

Lake Michigan Sport Catch in Wisconsin

100,000 per year

Preferred Temperature Range

48-52 °F

Length

17-36 inches

Weight

3-30 pounds

State Record

6/1/57: 3 pounds, 4 oz.  Big Green Lake, Green lake County

Identification

Lake trout are distinguished by having a deeply forked tail, the inside of their mouth white, and 10-11 rays in their anal fin. The color of the lake trout varies from light green or grey to dark green or almost black with light spots and worm-like markings on their back and sides.