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In 2004, Gleadall resurrected the genus Schizoctopus and assigned Octopus fangsiao as the type species. [4] In 2005, Huffard and Hochberg, arguing that Robson's designation of Octopus membranaceus as a nomen dubium was premature and considering it a valid name, resurrected the genus name Amphioctopus for the Octopus aegina species complex.
An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]).The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
Grimpoteuthis boylei is a pelagic umbrella octopus, also known as the "dumbo octopus" because it bears a resemblance to the title character of Disney's film Dumbo, 1941. [4] It is large, [ 5 ] reaching a total length of 470 millimeters (18.5 inches).
The optic glands are endocrine organs in the octopus and squid that play a role in sexual development and senescence.They lie between the brain and optic lobes. [1] The optic gland in female octopuses is associated with their maternal behavior of guarding their eggs without feeding. [2]
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Ameloctopus litoralis is the only species of octopus in monotypic genus Ameloctopus. [3] It is found in shallow waters in tropical Australia and lacks an ink sack . Ameloctopus litoralis lays large eggs compared to other octopuses.
The common octopus (Octopus vulgaris) is a mollusk belonging to the class Cephalopoda. Octopus vulgaris is one of the most studied of all octopus species, and also one of the most intelligent. It ranges from the eastern Atlantic, extends from the Mediterranean Sea and the southern coast of England , to the southern coast of South Africa.