Risso's dolphin
Risso's dolphin ("Grampus griseus") is the only species of dolphin in the genus Grampus. It is commonly known as the Monk dolphin among Taiwanese fishermen. Some of the closest related species to these dolphins include: pilot whales ("Globicephala" spp.), pygmy killer whales ("Feresa attenuata"), melon-headed whales ("Peponocephala electra"), and false killer whales ("Pseudorca crassidens").