The Blue-Ringed Octopus is a small, venomous species of cephalopod found in the coastal waters of the Pacific and Indian Oceans. It is easily identified by its bright blue and black rings that cover its body and can be seen when the animal is disturbed or
Blue-ringed octopuses, comprising the genus Hapalochlaena, are four extremely venomous species of octopus that can be found in shells between rocks and crevices in tide pools and also coral reefs in the Pacific and Indian Oceans, from Japan to Australia. They can be identified by their yellowish skin and characteristic blue and black rings that can change color dramatically when the animals are threatened. They eat small crustaceans, including crabs, hermit crabs, shrimp, and other small sea animals.