It is possible that Arnoux's beaked whale is the same species as Baird's beaked whale, although the difference in their distribution and size is a strong counter-argument.

Subspecies
None.

Life span
Unknown.

Statistics
Body length: 7.8-9.7m, Weight: 7-10 tonnes.

Physical description
Arnoux's beaked whales have a dark body but are often covered in algae of varying colours. The front teeth are visible and they have a bulbous melon and pronounced beak. The dorsal fin is small.

Distribution
Arnoux's beaked whales live in the Southern Hemisphere in temperate seas.

Diet
They feed on fish and squid.

Behaviour
Arnoux's beaked whales live in groups of 6-10. Subgroups may join up.

Conservation status
They are classified as Lower Risk by the 2000 IUCN Red List.

Notes
Very little is known about Arnoux's beaked whales.