144343 Risso’s Dolphin Grampus griseus Length 3-3.5m Large, blunt-nosed and distinctive dolphin. Lives in ‘pods’ of 3-15 animals. Adult greyish brown overall, darkest on dorsal fin, flippers and tail, and palest on face, throat and belly. Older animals become very pale and upper surface is heavily criss-crossed with white scars. Head is blunt-ended and forehead is split down middle – from upper lip to blowhole - by a deep crease. Dorsal fin is tall, pointed and slightly recurved. Flippers are long and narrow and tail fin is broad.