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Animal profile

Caribbean Reef Squid

Sepioteuthis sepioidea

CephalopodaShallow reefs, seagrass beds and mangrove edges in the tropical western Atlantic

Field profile

The Caribbean reef squid is a small schooling squid with fins running the length of the mantle, giving it a cuttlefish-like outline. It lives in loose groups over shallow reefs and is one of the more easily observed squid species.

Scope note

This is an editorial profile, not a diagnostic field-identification guide or a substitute for current conservation assessments. Follow the cited sources on each fact for the evidence trail.

Published field notes

2025-11-06

Caribbean Reef Squid

This squid shows two messages at once

A male Caribbean reef squid positioned between a female and a rival can display courtship colouration on the side facing the female and aggressive colouration on the side facing the rival, simultaneously.

Read with evidence →

Caribbean Reef Squid | Daily Animal Facts