Risso's dolphins (Grampus griseus) sunbathing on the surface. Woodhouse Reef, Sharm El Sheikh, South Sinai, Red Sea, Egypt.

Risso's dolphins (Grampus griseus) surfacing in tight group showing scarred backs and fins. Canary Islands, North Atlantic.

Risso's dolphin (Grampus griseus) three calves playing, fatal folds, teeth and tail fluke are clearly visible Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Risso's dolphin (Grampus griseus) mother and calf, eye, mouth and fatal folds are clearly visible. Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Risso's dolphin (Grampus griseus) close look at a calf surfacing and blowing Monterey Bay, California, USA, Pacific Ocean, National Marine Sanctuary

Risso's Dolphin, Grampus griseus, swimming off the Azores Islands