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The Pacific cod is an important commercial food species. It has three separate dorsal fins, and the catfish-like whiskers on its lower jaw. In appearance, it is similar to the Atlantic Cod. A bottom dweller, it is found mainly along the continental shelf and upper slopes with a range around the rim of the North Pacific Ocean, from the Yellow Sea to the Bering Strait, along the Aleutian Islands, and south to about Los Angeles, down to the depths of . They may grow up to 78–79 cm and weigh up to . It is found in huge schools. In Northwest Pacific catches of Pacific cod by the United States trawl fishery and joint-venture fisheries increased from less than in 1979 to nearly in 1984 and reached in 1995. Today, catches are tightly regulated, and the Pacific cod quota is split among fisheries that use hook and line gear, pots, and bottom trawls.