Risso's dolphin

The Risso's dolphin (Grampus griseus) is a species of dolphin, and the only species of dolphin in the genus Grampus. He is related to the Pygmy killer whales. Large specimens measures 3 meters (10 ft) in lenght. This species dives to a depth of 600 meters (2,000 ft).Based on a 2002 study by Baird and Robin.

 References 

Category:Oceanic dolphins