Lake trout spawn on offshore shoals, near shorelines and points near islands exposed to the prevailing winds. Egg incubation lasts for four to five months depending on temperature and oxygen levels. Anglers help manage the lake by harvesting over abundant lake trout. In large lakes with many fish species, lake trout are typically piscivorous. In Nova Scotia, the average lake trout caught is usually less than 2.0 kg (4.4 lb). Lake trout scales are unreliable for aging purposes. Lake trout are the largest of the charrs; the record weighed almost 46.3 kilograms (102 lb) (netted) with a length of 50 inches (127 cm), and 15– to 40-pound fish are not uncommon. ). In smaller lakes, with fewer forage species, lake trout tend to be planktivorous for much of the year. If you're ever in Trig's / Eagle River, they have one mounted on the stair case behind the cashiers. That lake trout must have been a great bear of a Lake Trout. Researchers determine age by reading otoliths. World Record Lake Trout : 102 Pounds 40 pound brown trout, and 50 pound rainbow trout may be recent news, but the size of those fish pale in comparison to this old record Lake Trout, from 1961. Lake trout scales are unreliable for aging purposes because the annuli cannot be distinguished. Winter angling for lake trout through holes in the ice is a popular sport in some areas. Habitat: Deep, cold lakes and reservoirs. Several males may fertilize the eggs. Lake trout (Salvelinus namaycush) is a freshwater char living mainly in lakes in northern North America. The eggs hatch between February and April, but the fry do not emerge from the rubble until their yolk sacs are absorbed a month later. In large bodies of water such as the Great Lakes, lake trout may migrate up to 300 km (186 mi) to their spawning grounds. The angling record contains a specimen weighing 32.8 kg (72.25 lb), caught in Great Bear Lake, Northwest Territories, in 1995. The fish do not cover or care for the eggs. Those caught with dark coloration may be called mud hens. Lake trout inhabit cold, oxygen-rich waters. Even during the mating season, the sexes can rarely be distinguished on the basis of color. Lake trout inhabit deep, clear, rocky lakes with preferred temperatures of about 10°C (50°F) and oxygen levels of six to twelve milligrams per liter. SnakeSter MEMBER since 7/9/12 PROFILE BLOCK USER. Also called the Mackinaw Trout, the lake trout is found mostly in the Fort Peck area with some occurrence in the western part of the state. It reportedly weighed over 46 kg (102 lb.). Lake trout do not construct reds like most other salmonids, nor do they form single mating pairs. Lake trout have few predators with the exception of man and the sea lamprey, which almost wiped out some Great Lakes stocks following the opening of the Welland Canal between Lake Ontario and Lake Erie in 1829. This was netted by the Deline First Nation on Great Bear Lake, NWT (sustenance fishing). Learn about the biology below by clicking on the buttons. A narrow white border is present on the lower fins, but it is never as immaculate or as wide as on the fins of a speckled trout. Several males may fertilize the eggs. SIZE: Common length for lake trout is 50 cm (19.7 inches) with the largest recorded length being 150 cm (59 inches). Lake trout have an upper lethal temperature of about 23.5°C (74.3°F). Females typically release 800-1800 eggs per kilogram of body weight. Lake trout spawn on offshore shoals, near shorelines and points near islands exposed to the prevailing winds. Lake trout are fall spawners and normally reproduce every second year from September to November in most parts of their range. The fisherman tried reviving it but it was already dead (gill net). I'm thinking it had to be dead not to be released. Big copper spoons on wire line do well here. The lake trout is prized both as a game fish and as a food fish. Learn about the biology below by clicking on the buttons. Lake trout have few predators with the exception of man. It weighed in at 24.6 kg (54 lb., 4 oz. The number of par marks varies, and the spaces between them are usually equal to or slightly greater than the width of an individual bar. However fins may have traces of orange, white leading edge is often present on fins as well. A narrow white border is present on the lower fins, but it is never as immaculate or as wide as on the fins of a speckled trout. Mack Days helps the ecological balance of Flathead Lake by thinning the mackinaw (also called lake trout) population. Lake trout are the largest trout native to North America. Or where the fish went? Spawning may involve several females laying their eggs into crevices in the rocks or spaces between the rocks. Lake trout eggs are eaten by other fish species, and often by lake trout themselves. In these lakes, they tend to prey upon small crustaceans and several species of aquatic insects. A lake trout weighing 8.6 kg (19 lb) and measuring 81.3 cm (32 inches) was caught in Sherbrooke Lake, Nova Scotia in 1992. Typically, lake trout are long and slender, with a deeply forked caudal fin. In large lakes with many fish species, lake trout are typically piscivorous, meaning they eat other fish. Lake trout are the largest trout native to North America. Lake trout are easily caught because of their predatory nature. Namaycush is a North American Indian name that means "dwellers of the deep". This was netted by the Deline First Nation on Great Bear Lake, NWT (sustenance fishing). Basic Identification and Montana Distribution. The  event succeeded in it's first event (2002 Fall) in stimulating the harvest of lake trout and in educating people about the Flathead Lake Fisheries Management Plan. The fisherman tried reviving it but it was already dead (gill net). Salmon and Trout : PCBs and Mercury Advisory : How... Grant Park Salmon and Steelhead Report : October, 750 Pound Shark Caught off Florida's Coast, Great Lakes Angler : Salmon Fishing at Grant Park, Great Lakes Angler : View From Point Betsie. Spawning begins when water temperatures fall to 10°C (50°F) and lower. Caught in Flathead Lake in 2004 by Ruth Barber. ORIGINAL POST. It reportedly weighed over 46 kg (102 lb.). In smaller lakes, with fewer forage species, lake trout tend to be planktivorous for much of the year. Appearance: Overall gray or nearly black/white coloration, sometimes with yellow tinge on fins. Spawning may involve several females laying their eggs into crevices in the rocks or spaces between the rocks. The lake trout is a slate gray to bluish fish with numerous light colored spots. Every likely-looking bit of structure has wall-to-wall gray trout in its time and season. Namaycush is a North American Indian name that means "dwellers of the deep". They also inhabit shallow lakes and rivers, but this is usually in the northern parts of their range. Lake trout inhabit deep, clear, rocky lakes with preferred temperatures of about 10°C (50°F) and oxygen levels of six to twelve milligrams per liter. The world record lake trout is 102 lbs (46.2 kg). Other names for it include mackinaw, namaycush, lake char (or charr), touladi, togue, and grey trout. Dark bands may be noticeable on the sides of spawning males, but are not present in every population. In Lake Superior, it can also be variously known as siscowet, paperbelly and lean. The oldest fish on record, taken in the Northwest Territories, was aged at 65 years. Montana Record Catch: 42lbs 11.8 oz, 42.5" long & 31.5" around. The 10 Revolutionary Fishing Products of the Last ... Jameson Whiskey Commercial : Worthy of the Greates... Tamanawis : Scottish Fly Blog : Photo Essay, Milwaukee Area River Fishing Report : 10/29/2009. It is also very late to mature. 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