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Octopus briareus, the Caribbean reef octopus

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Octopus briareus, the Caribbean reef octopus, is common in the Florida Keys. Like most octopuses, this species is nocturnal. They are easy to find (for an octopus) by snorkeling in shallow water at night with a powerful dive light as they reflect a distinctive blue-green color.

Fertile females collected from the Keys lay approximately 500 large eggs around January. The hatchlings are minature versions of the adults and can jet, ink, crawl, etc. They can be reared on small crustaceans.

Hanlon and Forsythe (1985) has found that O. briareus is cannibalistic in group culture.

References and Credits


The photograph at right was taken by James B. Wood.


Hanlon, R. T. and J. W. Forsythe. 1985. Advances in the Laboratory Culture of Octopuses for biomedical Research. Laboratory Animal Science. 35(1); 33-40.

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The Cephalopod Page (TCP), © Copyright 1995-2018, was created and is maintained by Dr. James B. Wood, Associate Director of the Waikiki Aquarium which is part of the University of Hawaii. Please see the FAQs page for cephalopod questions, Marine Invertebrates of Bermuda for information on other invertebrates, and and the Census of Marine Life for general information on marine biology.