The Harbour Porpoise is one of the smallest ocean mammals. They are between 1.4 and 2 m (4.5 - 6.5 ft) in length and they weigh between 50 and 90 kgs (110 - 200 lbs). They are black or dark grey in colour with a cream/white underside.
Harbour Porpoise can be found in the north Pacific, north Atlantic and the Black Sea. They tend to stay around coastal waters and river estuaries.
Harbour porpoise mainly feed on small fish, particularly herring, capelin and sprat.
Harbour Porpoise produce a single calf that is cared for by its mother for up to 12 months.