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Photo of a Atlantic White-spotted Octopus

Species profile

Atlantic White-spotted Octopus

Callistoctopus macropus

Octopus/squidIUCN: Least Concern568 iNat observations

At a glance

Atlantic White-spotted Octopus (Callistoctopus macropus) is an IUCN Least Concern octopus/squid regulated in 4 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

Bag limits are uniform at 1 per angler across the 3 regulating jurisdictions.

Notable details

  • Recognized by vivid white spots scattered across a reddish-brown body.
  • Has proportionally longer arms relative to body size than most octopus species.
  • A nocturnal predator, it shelters in crevices during the day and hunts crustaceans at night.
  • Found in warm waters of the Atlantic, Mediterranean, and Indian Ocean.
  • Like all octopuses, it can change color and skin texture within milliseconds for camouflage.

Background

Callistoctopus macropus, also known as the Atlantic white-spotted octopus, white-spotted octopus, grass octopus or grass scuttle, is a species of octopus found in shallow areas of the Mediterranean Sea, the warmer parts of the eastern and western Atlantic Ocean, the Caribbean Sea, and the Indo-Pacific region. This octopus feeds on small organisms which lurk among the branches of corals.

Background excerpt adapted from Wikipedia's Atlantic White-spotted Octopus article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.