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Boreogadus saida, known as the polar cod [1] [2] [3] or as the Arctic cod, [1] [4] [5] is a fish of the cod family Gadidae, related to the true cod (genus Gadus). Another fish species for which both the common names Arctic cod and polar cod are used is Arctogadus glacialis .
The spawning stock of North-East Arctic cod was more than a million tons following World War II, but declined to a historic minimum of 118,000 tons in 1987. The North-East Arctic cod catch reached a historic maximum of 1,343,000 tons in 1956, and bottomed out at 212,000 tons in 1990.
Arctogadus glacialis, known also with ambiguous common names Arctic cod [1] [2] and polar cod, [1] [3] is an Arctic species of fish in the cod family Gadidae, related to the true cod (genus Gadus). Arctogadus glacialis is found in icy water. They grow to about 30 cm long, and are favorite food of narwhals and other arctic whales.
Common name Scientific name Picture Habitat Notes Acipenseridae (family) Lake sturgeon: Acipenser fulvescens: Bottom of lakes and big rivers over sand, gravel, or rock bottom
It contains several commercially important fishes, including the cod, haddock, whiting, and pollock. Most gadid species are found in temperate waters of the Northern Hemisphere , but several range into subtropical, subarctic , and Arctic oceans, and a single ( southern blue whiting ) is found in the Southern Hemisphere .
Arctic grayling feed on zooplankton, insects, fish, fish eggs, lemmings, planktonic crustaceans. They can grow up to 13.5 inches and weigh 8.4 lbs. The oldest Arctic grayling was 18 years old. [105] LC Found in the Arctic, Pacific, and Hudson Bay basins. Drainages include the Missouri River drainage. Sciaenidae (family) Freshwater drum
The Atlantic cod (pl.: cod; Gadus morhua) is a fish of the family Gadidae, widely consumed by humans. It is also commercially known as cod or codling. [3] [n 1]In the western Atlantic Ocean, cod has a distribution north of Cape Hatteras, North Carolina, and around both coasts of Greenland and the Labrador Sea; in the eastern Atlantic, it is found from the Bay of Biscay north to the Arctic ...
Cod stocks were depleted at a faster rate than could be replenished. [4] The trawlers also caught enormous amounts of non-commercial fish, which were economically unimportant but very important ecologically. This incidental catch undermined the stability of the ecosystem by depleting stocks of important predator and prey species.