Fisheries Program
Northeast Region
Lake trout.
lake trout

Lake trout (Salvelinus namaycush)

Life History

Lake trout mature at about six years of age. They spawn in the fall. Adults attain about 10 pounds in size, and live to about 25 years of age. They love and seek out coldwater.


The Great Lakes including Lake Ontario and Lake Erie

Fun Facts

  • Lake trout populations in the Great Lakes declined dramatically in the 1950s due to sea lamprey predation and pollution.
  • Their comeback is due to the control of the aquatic nuisance sea lamprey and to hatchery stocking programs.
  • Lake trout are a popular sportfish.

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Last updated: December 16, 2011
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