Pacific cod
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Scientific classification 
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| Binomial name | |
| Template:Taxon infoTemplate:Taxon italics Tilesius, 1810
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| Synonyms[2] | |
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The Pacific cod (Gadus macrocephalus) is a species of ray-finned fish in the family Gadidae. It is a bottom-dwelling fish found in the northern Pacific Ocean, mainly on the continental shelf and upper slopes, to depths of about 900 m (3,000 ft). It can grow to a length of a meter or so and is found in large schools. They feed on clams, worms, crabs, shrimp, and juvenile fish.[3] It is an important commercial food species and is also known as gray cod or grey cod, and grayfish or greyfish. Fishing for this species is regulated with quotas being allotted for hook and line fishing, pots, and bottom trawls. Fossils have been found in Canada near a Steller Sea lion fossil dating to the Pleistocene.
Description
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 depths of 900 m (3,000 ft; 500 fathoms). It may grow up to 1 m (40 in) in length and weigh up to 15 kg (33 lb). It is found in huge schools.[4]
Molecular genetic analyses strongly suggest that Pacific cod and Greenland cod (Gadus ogac) from Greenland–Arctic Ocean are the same species and that G. ogac should be a junior synonym of G. macrocephalus.[5] Today, ITIS and the Catalogue of Life list Gadus ogac as synonym of G. macrocephalus.[6]
Fisheries
In the Northeast Pacific catches of Pacific cod by the United States trawl fishery and joint-venture fisheries increased from less than 1,000 tonnes in 1979 to nearly 91,000 tonnes in 1984 and reached 430,196 tonnes 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.
Conservation status
The Salish Sea population of Pacific cod is a U.S. National Marine Fisheries Service Species of Concern, one of those species about which the U.S. government's National Oceanic and Atmospheric Administration has some concerns regarding status and threats, but for which insufficient information is available to indicate a need to list the species under the U.S. Endangered Species Act (ESA).[8]
As food
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Cod gills eaten during Obon festival -
Korean cod soup -
Korean braised cod heads
See also
Notes
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- ^ Page Module:Citation/CS1/styles.css has no content.Harington, C.R (2004). "A Late Pleistocene Steller sea lion (Eumetopias jubatus) from Courtenay, British Columbia: its death, associated biota, and paleoenvironment". Canadian Journal of Earth Sciences. 41 (11): 1285–1297. Bibcode:2004CaJES..41.1285H. doi:10.1139/e04-061.
- ^ Script error: No such module "Cite taxon".
- ^ Page Module:Citation/CS1/styles.css has no content.Fisheries, NOAA (2024-09-06). "Pacific Cod | NOAA Fisheries". NOAA. Retrieved 2024-12-03.
- ^ Gadus macrocephalus (Tilesius, 1810) FAO, Species Fact Sheet. Retrieved April 2012.
- ^ Page Module:Citation/CS1/styles.css has no content.Carr, S. M.; Kivlichan, D. S.; Pepin, P.; Crutcher, D. C. (1999). "Molecular systematics of gadid fishes: Implications for the biogeographic origins of Pacific species". Canadian Journal of Zoology. 77: 19–26. Bibcode:1999CaJZ...77...19C. doi:10.1139/z98-194.
- ^ Catalogue of Life: Gadus macrocephalus.
- ^ Page Module:Citation/CS1/styles.css has no content."Fisheries and Aquaculture - Global Production". Food and Agriculture Organization of the United Nations (FAO). Retrieved 2024-05-06.
- ^ Species of Concern NOAA
References
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External links
- Pacific cod-Gadus macrocephalus fishery profiles Status of Pacific cod fisheries, summarised in FisheriesWiki
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