Umbrella octopus

Family of molluscs

Opisthoteuthidae, from Ancient Greek ὄπισθεν (ópisthen), meaning "back", and τευθίς (teuthís), meaning "squid", known as umbrella octopuses, are a group of pelagic octopuses. Umbrella octopuses are characterized by a web of skin between the arms, causing them to somewhat resemble an opened umbrella when the arms are spread.

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