Risso's dolphins are easily identifiable by their scarred skin. This is caused by other Risso's dolphins who use their front teeth when playing and fighting.
Body length: 2.6-3.8m, Weight: 300-500kg.
Risso's dolphins have stocky heads without a beak and are light grey to white with a white chin and extensive scarring. The dorsal fin is shark-like.
They inhabit all seas, but prefer temperate waters.
Risso's dolphins feed on squid and fish.
They live in schools of 3-50 individuals and are often in the company of other cetaceans.
Risso's dolphins are classified as Data Deficient by the 2000 IUCN Red List. Global threats include hunting, human disturbance, habitat loss, prey depletion, pollution and entanglement in nets.