Western North Pacific Harbor Porpoise
Short and stocky body with dark gray dorsal side and a lighter gray/white belly. They also have a dark stripe from their mouth to flippers.
Shy and elusive, often stays away from boats. They are not always visible at the surface and are not known for bow riding. Sometimes they bask on calm days.
Found in the Northern hemisphere in cold temperate and subarctic waters. As an inshore species, they prefer shallow coastal waters. Have been observed in the North Atlantic, North Pacific, and Black Sea.
Social system/Group size
The subspecies of harbor porpoise are based on the differences in their skulls.