Calanus hyperboreus

Calanus hyperboreus

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Calanus hyperboreus Calanus hyperboreus Calanus hyperboreus

 

Description

The largest, most abundant grazing copepod of the Arctic

Very clear and colorless, the gut walls and posterior part of the body may carry orange to dark red pigment. The lipid sac is usually red-orange. The borders between segments are pigmented with a deep red color.

Geography

Arctic species. Most abundant in the Arctic Basin, less abundant in adjoining Arctic Seas (absent in the White Sea). Does not extend south of the Bering Strait in the Pacific and past the Lofoten Islands in the Atlantic.

Ecosystem

Conservation

 

Threats

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