that ranges in height from 38 - 90 cm and averages 53 - 56 cm, about two-thirds of the way back from the tip of the rostrum. Dorsal fin shape, pigmentation pattern, and scarring have been used to a limited extent in photo-identification studies. The tail is thick and the fluke, or lobe, is relatively small in relation to the size of the whale's body.

Adults have 300-380 ashy-black baleen plates on each side of the mouth,