-
Maximum length 2.7 m.
Large black dolphin having bluntly pointed beak and pointed-tipped flippers. Head triangular when viewed from above. Body overall black, except whitish on lips, around genitals and anus; ventrally a light grey patch present on chest between flippers. Dorsal fin tall, up to 30 cm, and back-swept with rounded tip. Flippers very long and pointed distally. Flukes with concave trailing edge, median notch and pointed at tips; Series of 21-24 small teeth in each side of lower jaw and 22-26 of upper jaw.