Lake whitefish: Difference between revisions
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{{Taxobox |
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| name = Lake |
| name = Lake whitefish |
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| image = Lake whitefish.jpg |
| image = Lake whitefish.jpg |
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'''Lake whitefish''' |
'''Lake whitefish''', ''Coregonus clupeaformis'', are [[freshwater]] [[whitefish]] of North America; members of the salmon family. They are found throughout much of [[Canada]] and parts of the northern [[United States]] of [[Minnesota]] and [[Michigan]], including the [[Great Lakes]]. A valuable commercial fish, whitefish are also occasionally taken by sport fishermen. |
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Their colouration is olive-green to blue on the back, with silvery sides. They have a small mouth below a rounded snout, and a deeply forked tail. They are found in freshwater lakes where they prefer deep, cool water. |
Their colouration is olive-green to blue on the back, with silvery sides. They have a small mouth below a rounded snout, and a deeply forked tail. They are found in freshwater lakes where they prefer deep, cool water. |
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Revision as of 18:05, 12 November 2006
| Lake whitefish | |
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| Species: | C. clupeaformis
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| Coregonus clupeaformis (Mitchill, 1818)
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Lake whitefish, Coregonus clupeaformis, are freshwater whitefish of North America; members of the salmon family. They are found throughout much of Canada and parts of the northern United States of Minnesota and Michigan, including the Great Lakes. A valuable commercial fish, whitefish are also occasionally taken by sport fishermen.
Their colouration is olive-green to blue on the back, with silvery sides. They have a small mouth below a rounded snout, and a deeply forked tail. They are found in freshwater lakes where they prefer deep, cool water.
Lake whitefish spawn from September through January in water two to four metres in depth. A large spawning migration enters the Athabasca Delta in late summer, moving upstream in the Athabasca River. The longest single movement of a tagged whitefish ever recorded was 388 km (240 miles), from Fort McMurray to the north shore of Lake Athabasca in Alberta Canada.
Natural predators include burbot, lake trout and northern pike.
Primarily bottom feeders, lake whitefish eat crustaceans, snails, insects and other small aquatic organisms.
References
- "Coregonus clupeaformis". Integrated Taxonomic Information System. 18 April.
{{cite web}}: Check date values in:|date=and|year=/|date=mismatch (help) - Froese, Rainer; Pauly, Daniel (eds.) (2006). "Coregonus clupeaformis" in FishBase. January 2006 version.