Octopus (genus)

Octopus
Octopus vulgaris
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Octopodidae
Subfamily: Octopodinae
Genus: Octopus
Cuvier, 1797
Type species
Octopus vulgaris
Cuvier, 1797
Species

Over 100, see text.

Octopus is the largest genus of octopuses, comprising about 100 species. These species are widespread throughout the world's oceans. Many species formerly placed in the genus Octopus are now assigned to other genera within the family. The octopus has 8 arms, averaging 20 cm (8 in) long for an adult.