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Thysanoteuthis rhombus

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description Thysanoteuthis rhombus Overview

Thysanoteuthis rhombus, commonly known as the diamondback squid, is a large pelagic cephalopod and the sole extant member of the family Thysanoteuthidae. Inhabiting tropical and subtropical oceans, the species can reach a mantle length of up to one meter and is physically identified by its large, broad rhomboid fins that span nearly its entire body. It is notable for its habit of forming large, tight aggregations and is commercially targeted by fisheries in regions such as Japan.

help Thysanoteuthis rhombus FAQ

What is Thysanoteuthis rhombus commonly called?

Thysanoteuthis rhombus is commonly called the diamondback squid or diamond squid. It is the only living species in the family Thysanoteuthidae.

How large can a diamondback squid become?

The species can reach a mantle length of up to about one meter. Its body is broad and diamond-shaped compared with many other open-ocean squid.

Where does Thysanoteuthis rhombus live?

It lives in tropical and subtropical oceans around the world. The species is pelagic, meaning it spends its life in the open water rather than on the seafloor.

What does the diamondback squid look like?

It has a large triangular mantle, broad fins, and a distinctive diamond-like outline. The fins are unusually prominent and help it move through the open ocean.

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