description Gonatopsis borealis Overview
Gonatopsis borealis, the Boreopacific armhook squid, is a medium-sized gonatid squid of the cold and temperate North Pacific. Its larvae have tentacles, but these disappear as the animal develops, and adults have robust arms with rows of hooks; it also lacks photophores. The species occurs from northern Japan and the Bering Sea through the Aleutians and Gulf of Alaska to the west coast of North America, and is both a bycatch species and prey for larger fish and marine mammals.
help Gonatopsis borealis FAQ
What is Gonatopsis borealis?
Gonatopsis borealis is the Boreopacific armhook squid, a medium-sized gonatid of the cold and temperate North Pacific. It belongs to the same broad squid group as Gonatus species.
How do Gonatopsis borealis larvae differ from adults?
The larvae have tentacles, but the tentacles disappear as the animal develops. Adults instead have robust arms lined with rows of hooks.
Does Gonatopsis borealis produce light?
No. The species lacks photophores, the organs that produce bioluminescent light in some deep-sea squids.
Where is Gonatopsis borealis found?
It occurs in cold and temperate parts of the North Pacific. The name Boreopacific armhook squid reflects this regional association.
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