''Megaleledone setebos'', the giant Antarctic octopus, is a very large

octopus An octopus ( : octopuses or octopodes, see below for variants) is a soft-bodied, eight- limbed mollusc of the order Octopoda (, ). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttle ...

with a circum-

Antarctic The Antarctic ( or , American English also or ; commonly ) is a polar region around Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica, the Kerguelen Plateau and other ...

distribution. It grows to at least 28 cm in mantle length and 90 cm in total length. ''M. setebos'' feeds by drilling small holes in large, shelled mollusks, and then injecting its toxic saliva. The venom even works at subfreezing temperatures. This species was transferred to the genus ''Megaleledone'' and synonymised with ''Megaleledone senoi'' in a 2003 paper.

References

Octopuses Cephalopod genera Monotypic mollusc genera Fauna of the Southern Ocean {{Octopus-stub