|Tuberculate pelagic octopus|
|Specimen preserved in formaldehyde|
The females are around 1 metre (3.3 ft) long when full-grown. The males are considerably smaller at around 10 centimetres (3.9 in).
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.
- "CephBase: Ocythoe tuberculata". Archived from the original on 2005.
- Tree of Life web project: Ocythoe tuberculata
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