Harbour porpoises have historically been kept in captivity, under the assumption that they would fare better than their dolphin counterparts due to their smaller size and shallow-water habitats. Up until the 1980s, they were consistently short-lived. The harbor porpoise (Phocoena phocoena) is one of the smallest and most common cetaceans. Because they prefer coastal habitats, harbor porpoise are particularly vulnerable to gillnets and fishing traps, pollution, and other types of human disturbance, such as underwater noise. Harbour Porpoises are one of the smallest examples of marine mammals. Harbour Porpoises stay close to coasts and estuaries (as opposed to open waters), making them one of the most familiar of marine mammals to people. However they are shy and are generally not approachable like Dolphins. A harbour porpoise on a beach in Kent, which is among the hotspots for deaths of the animal. The harbor porpoise is a shy animal, most often seen in groups of two or three. Harbor porpoises weigh between 61-77kg (135-170lbs) and are usually 1.5-1.7m (5-5.5ft) long. Photograph: Graham Mitchell/Barcroft Media More than 1,000 harbour porpoises … They are found in northern temperate to sub-arctic waters most often in shallower bays or near shore. Harbor porpoise (Phocoena phocoena) are one of the most frequently sighted cetaceans in the Salish Sea. Harbor porpoise are known to occur year-round … 7 Pleasing Harbour Porpoise Facts. They prefer coastal areas and are most commonly found in bays, estuaries, harbors, and fjords. HARBOR PORPOISE (Phocoena phocoena vomerina): Northern Oregon/Washington Coast Stock STOCK DEFINITION AND GEOGRAPHIC RANGE In the eastern North Pacific Ocean, harbor porpoise are found in coastal and inland waters from Point Barrow, along the Alaskan coast, and down the west coast of North America to Point Conception, California (Gaskin 1984). Harbor Porpoise Harbor porpoises are shy, elusive sea mammals whose numbers are declining primarily because they are frequently caught by accident in commercial fishing nets. Anecdotal information, possibly supported with stranding encounter rate data, suggests that harbor porpoise may have increased in Puget Sound, or have shifted their distribution back to Puget Sound relative to earlier decades.

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