Great Lakes Lake Trout

Widely distributed from northern Canada and Alaska missing in southern prairie provinces south to New England and Great Lakes basin Page and Burr 1991.

Great lakes lake trout. Lake trout are the longest lived and largest of all the trout species in North America. Trout and salmon also require cold water. They were introduced in states west of the Rockies where they are not native Figure 1.

They prefer to live in cold 48-52⁰F deep lakes greater than 50 feet and you can find them at depths well over 200 feet too. In the last 10 years University of Vermont researchers have. Snyder and Oswald 2005.

When the lamprey invaded the Great Lakes lake trout their preferred food and once a top predator fish were transformed into Swiss cheese and. The lake trout prefers water temperatures between 40-55 degrees Fahrenheit. Lake trout broadcast spawn over boulder fields in the fall typically in depths of 15 to 25 feet so rocks arent just preferred habitat but a critical component of successful recruitment.

In northwestern Montana Lake Trout are native in Waterton Lake Glenns Lake Cosley Lake and St. Lake trout are native only to northern North America from Alaska to Nova Scotia and throughout the Great Lakes. The eastern end of Lake Ontario is perhaps the last strong hold for brown trout in the Great Lakes.

2013-12-18 Rainbows often called steelhead are widely distributed in the Great Lakes and in many tributaries of the Great Lakes watershed as well as in some inland lakes. In the Great Lakes environment lake trout will often range many miles in search. In the fall winter and spring seasons this fish may be found in shallow water areas of the lake 10 to 30 feet deep.

Large kypes jaw hooks on spawning males Fully spotted square tail with spots in radiating rows Longest anal fin ray is longer than fin base Lake Trout and Brook Trout can hybridize. As near shore waters warm in the summer it follows the cold water temperatures to depths of 100 to 200 feet or more. 10 rows Martin and Olver 1976 documented the at the time known distribution and characteristics of 2000.