Maximum length males 5.4 m, females 4.0 m.
A robust black dolphin with thick and bulbous head. Dorsal fin located in
anterior half of body. Flippers long and sickle-shaped. Tail flukes broad
with deep median notch. Body black with pronounced white ‘saddle’ on
dorsal surface behind dorsal fin; ventral with short white area from chin to
upper breast, usually not beyond the level of dorsal fin. Only 7-9 peg-like
teeth present in each side of both jaws.