These are possibly the most aggressive of cetaceans. Pygmy killer whales caught and housed in dolphinariums have been known to attack humans and other dolphins.

Subspecies
None.

Life span
Unknown.

Statistics
Body length: 2.1-2.6m, Weight: 110-170kg.

Physical description
Pygmy killer whales have a dark body with a darker cape. They have a round head with no beak, pale sides, white belly and a tall dorsal fin.

Distribution
They inhabit the Atlantic and Pacific, in tropical and warm temperate waters.

Diet
Pygmy killer whales feed on squid, fish and some marine mammals.

Behaviour
Little is known about pygmy killer whales. They are found in groups of 15-25. They are difficult to spot, because they rarely appear above the ocean surface, and live in deep waters offshore.

Conservation status
The conservation status of pygmy killer whales is unknown.