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Ocythoe tuberculata

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: Coleoidea
Cohors: Neocoleoidea
Superordo: Octopodiformes
Ordo: Octopoda
Subordo: Incirrina
Familia: Ocythoidae
Genera: Ocythoe

The Tuberculate Pelagic Octopus (Ocythoe tuberculata), also known as the Football Octopus, is a pelagic species that is found in warm and temperate seas, especially in the northern hemisphere. It is the only known species in the family Ocythoidae.

The females are around a metre long when full-grown. The males are considerably smaller at around 10 cm.

As a species, they are unique among cephalopods in possessing a true gas bladder. They are also one of the only known ovoviviparous cephalopod species. It is relatively unresearched in terms of behaviour and life-cycle.

Young females and mature males have been observed residing inside salps, although little is known about this relationship.

Biology Encyclopedia

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Source: Wikispecies: All text is available under the terms of the GNU Free Documentation License