Circumpolar in the Arctic. North Atlantic: White Sea, Iceland, and southern Greenland into the Miramichi River, New Brunswick in Canada. North Pacific: Bering Sea to Cape Olyutorski, the Pribilof Islands, and Bristol Bay.
Occurs in coastal habitats during summer and winter.
Cryopelagic or epontic, from surface down to 1383 m. In the Beaufort Sea, it may also be found in brackish lagoons and in almost fresh water in river mouths.
Although associated with the occurrence of ice (White Sea), it is present in ice-free near-shore waters (Alaska).
Onshore-offshore movements are associated with spawning and movements of the ice.
Feeds mostly on epibenthic mysids, also amphipods, copepods and fishes.
Boreogadus polaris (Sabine, 1824)
Gadus agilis Reinhardt, 1837
Gadus fabricii Richardson, 1836
Gadus saida Lepechin, 1774 (basionym)
Merlangus polaris Sabine, 1824
Pollachius polaris (Sabine, 1824)