Blue Ocean Institute

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Some problems exist with this species' status or catch methods, or information is insufficient for evaluating. Whitefish – Great Lakes

Whitefish is a fast growing freshwater fish that can reach a length of three feet, a weight of roughly 42 pounds, and live for 50 years.  Whitefish are found throughout the Great Lakes and are the main commercial fish species there.

The abundance of Whitefish has varied over time, and is currently at a medium level across the Great Lakes. Several factors are impacting Whitefish populations in the Great Lakes, particularly competition and predation from invasive species, loss of their primary food source, and habitat degradation.

Whitefish are caught by trap nets and gillnets, which results in minimal damage to the sea floor and medium levels of bycatch.

Full species report here.