This species is common in the North Pacific ocean.
Pacific white-sided dolphins have a body length of 1.7-2.4m and weigh 85-150kg.
Pacific white-sided dolphins have a black upper surface and a white under-surface. They are pale grey above the flippers with bicoloured fins and flippers. They have a very short black beak, with a pale grey streak along the body and a tall dorsal fin.
They inhabit the North Pacific.
Pacific white-sided dolphins feed on fish and squid.
They live in groups of 10-100.
Pacific white-sided dolphins are common.