The short-beaked common dolphin is a medium-sized dolphin, but is smaller than the other species of the genus Delphinus, the long-beaked common dolphin. Adults grow between the lengths of 1.6 to 2 meters (5.2 to 6.6 ft), and weigh between 70 and 235 kg (150 to 520 Ib). Short-beaked common dolphins are said to be heavier than the Long-beaked common dolphin. The back of the short-beaked common dolphin is dark grey, the belly is white, and the sides are light grey, gold or yellow.