The common octopus is a mollusk belonging to the class Cephalopoda. Octopus vulgaris is one of the most studied of all the octopus species, and also one of the most intelligent. It ranges from the eastern Atlantic, extends from the Mediterranean Sea, Black sea and the southern coast of England, to the southern coast of South Africa. It also occurs off the Azores, Canary Islands, and Cape Verde Islands. The species is also common in the Western Atlantic.
Source: Wikipedia
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