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Blue Ringed Octopus

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Scientific name
Haplochlaena maculosa
Common name
Blue Ringed Octopus
Life on the Edge
Page 36
Group
Cephalopods – Octopus
Where to find
Rocky reefs and seagrass meadows
Description

The Blue Ringed Octopus has a brown body, with bright blue rings on the arms and body which become visible when it is threatened. Body up to 6 cm long, arms up to 10 cm long

Generally a timid animal, the Blue Ringed Octopus hides in crevices during the day emerging mainly at night to hunt out crabs. They use a strong  toxin to paralyse prey. This toxin can be lethal to humans. The distinctive blue rings appear to warn predators to keep away. Care should always be taken to avoid accidental encounters by always watching where hands are going in rockpools.

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