Coastal Research and Education Society of Long Island
Coastal Research and Education Society of Long Island

Short-beaked Common Dolphin

By: A. H. Kopelman


Short-beaked Common Dolphin

Short-beaked common dolphin (Delphinus delphis)

The short-beaked common dolphin is one of the most abundant dolphins in the Western North Atlantic, with an estimated 70,184 individuals. The dolphin is usually found in small social groups of between 10 and 20, but can be found in larger aggregations of hundreds (or thousands). Their distinctive side colors with V-shaped dark cape and hourglass pattern with a yellow/tan anterior section, are characteristic.

Adult D. delphis are 7.5 - 8.5 feet in length and may weigh up to 300 lbs. Calfs are about 32 in. at birth. and feeds on mother's milk for 4 months. Common dolphins reach sexual maturity at 3-5 years of age and may live until 30 year old.


Common dolphins are nomadic and can be found swimming and porpoising throughout the world's oceans in sub-tropical to temperate waters including New York.

Short-beaked common dolphin, porpoising away