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- Walleye Pollock

Biology

Walleye Pollock live throughout the Northern Pacific with the largest population located in the Bering Sea and Gulf of Alaska. They thrive in mid-bottom dwelling up to 1000 m in depth.

They are considered one of the most important fish resources in the world with 2 million metric tons are caught each year or $2 billion dollars worth of fish.

Pollock serve as important prey for many marine mammals and are also consumed by humans as the fish in many frozen fish products.

Threats

The increases in the water temperature of the Bering Sea favor Pollock, a sub-arctic species, and may explain the increase in its biomass and movement to these arctic waters.

Overfishing endangers not only the fish itself but also the ecosystem in which it thrives.

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