They are cold stenotherms (narrow temperature tolerance), requiring cold, adequately oxygenated bottom waters for summer habitat, and relatively silt-free river or lake spawning areas for successful reproduction (Hartman 1973). Fish of larval and postlarval stages feed on plankton. Lake whitefish is a carnivore (meat-eater). See more ideas about Fish recipes, Recipes, Lake whitefish. However, this species also faces threat from the sea lamprey. Lake whitefish feed on organisms on the bottom of the lake, primarily on Diporeia and chironomids, in the western Lake Erie basin.

The whitefish were already struggling thanks to the invasive quagga mussel, which arrived in 1989 but exploded across the lake bed in 2002. During the winter on Simcoe, whitefish have been known to feed on emerald shiners, smelt, sculpins, and even the invasive round goby.

Lake Simcoe Diet: The Lake Whitefish feeds from the bottom on invertebrates, scuds, molluscs, aquatic insect larvae and small fishes.
The delicate, mild flavor is more like salmon than trout, and the flesh is medium-firm with a large flake. Lake Whitefish Coregonus clupeaformis support some of the most valuable commercial freshwater fisheries in North America. Nelma – Another commercially important species, this fish lives in Arctic regions of Russia and North America. Aug 29, 2017 - Recipes where the main ingredient is Great Lakes Whitefish-- fresh or smoked. Lake Whitefish Description.
Egg thiamine concentrations in lake whitefish eggs were statistically significantly related to isotopic carbon signatures, suggesting that egg thiamine levels were related to maternal diet, but low egg thiamine concentrations did not appear to be associated with a diet of dreissenids. The lake whitefish is a bottom dweller, so it stands to reason that they would eat things near the bottom of the lake.

Lake whitefish are a stable native fish in Alberta. Adult whitefish eat a lot of amphipods (scuds), fingernail clams, snails, opossum shrimp, midge larvae, and small fish.

Whitefish are at their peak in colder weather when the meat tends to be firmer and fattier.

Lake whitefish diet shifts from a dominance of plankton to benthic organisms during their first summer. Adult lake whitefish are benthivores and their diet consists primarily of insect larvae, molluscs and amphipods.

The quagga feasts on diporeia, the same zooplankton the whitefish rely on, and nearly cleared the lake of them. When the benthic amphipod Diporeia spp. was available, it was an important item in the diets of small (\u3c430 mm) and large (\u3e430 mm) lake whitefish. Lake whitefish spends most of its life near the bottom of the lake. Population Sizes and Trends Generally, catches of Lake Simcoe lake whitefish were high during the 1960s and decreased sharply by the early 1970s.


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