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The Alaska pollock or walleye pollock (''Gadus chalcogrammus'') is a marine fish species of the
cod Cod (: cod) is the common name for the demersal fish genus ''Gadus'', belonging to the family (biology), family Gadidae. Cod is also used as part of the common name for a number of other fish species, and one species that belongs to genus ''Gad ...
genus ''
Gadus ''Gadus'' is a genus of demersal fish in the family Gadidae, commonly known as cod, although there are additional cod species in other genera. The best known member of the genus is the Atlantic cod The Atlantic cod (: cod; ''Gadus morhua'') ...
'' and family
Gadidae The Gadidae are a family of marine fish, included in the order Gadiformes, known as the cods, codfishes, or true cods. It contains several commercially important fishes, including the cod, haddock, whiting, and pollock. Most gadid species ar ...
. It is a semi-
pelagic The pelagic zone consists of the water column of the open ocean and can be further divided into regions by depth. The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or water column between the sur ...
schooling fish widely distributed in the
North Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the contine ...
, with largest concentrations found in the eastern
Bering Sea The Bering Sea ( , ; rus, Бе́рингово мо́ре, r=Béringovo móre, p=ˈbʲerʲɪnɡəvə ˈmorʲe) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasse ...
.


Name and differentiation

Alaska pollock was in 1956 put in its own genus, ''Theragra'', and classified as ''Theragra chalcogramma'', but research in 2008 has shown it is rather closely related to the
Atlantic cod The Atlantic cod (: cod; ''Gadus morhua'') is a fish of the family Gadidae, widely consumed by humans. It is also commercially known as '' cod'' or ''codling''. In 2014, the U.S.
Food and Drug Administration The United States Food and Drug Administration (FDA or US FDA) is a List of United States federal agencies, federal agency of the United States Department of Health and Human Services, Department of Health and Human Services. The FDA is respo ...
announced that the official scientific name for the fish was changed from ''Theragra chalcogramma'' back to its original taxon ''Gadus chalcogrammus'', highlighting its close genetic relationship to the other species of the cod genus ''Gadus''. Since 2014, registries of scientific names for fish species (e.g. the United Nations' ASFIS list and the World Registry of Marine Species (WoRMS) have largely adopted the ''Gadus chalcogrammus'' name. The change of the official scientific name was followed by a discussion to change the common name as well, to highlight the fish as a member of the cod genus. The common names "Alaska pollock" and "walleye pollock", both used as trade names internationally, are considered misleading by scientific and trade experts, as the names do not reflect the scientific classification. While belonging to the same family as the
Atlantic The Atlantic Ocean is the second largest of the world's five oceanic divisions, with an area of about . It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for se ...
pollock Pollock or pollack (pronounced ) is the common name used for either of the two species of North Atlantic ocean, marine fish in the genus ''Pollachius''. ''Pollachius pollachius'' is referred to as "pollock" in North America, Ireland and the Unit ...
, the Alaska pollock is not a member of the genus '' Pollachius'', but of the cod genus ''Gadus''. Nevertheless, alternative trade names highlighting its placement in the cod genus, such as "snow cod", "bigeye cod", or direct deductions from the scientific names such as "copperline cod" (''gadus'' meaning 'cod', from meaning 'copper', and meaning 'line') or "lesser cod" (from the synonymous taxon ''Gadus minor'') have yet to find widespread acceptance. The
National Oceanic and Atmospheric Administration The National Oceanic and Atmospheric Administration (NOAA ) is an American scientific and regulatory agency charged with Weather forecasting, forecasting weather, monitoring oceanic and atmospheric conditions, Hydrography, charting the seas, ...
even states that " he common namemight never change, as common names are separate from scientific names". In addition, Norwegian pollock (''Theragra finnmarchica''), a rare fish of Norwegian waters, is likely the same species as the Alaska pollock.


Ecology

The speckled coloring of Alaska pollock makes it more difficult for predators to see them when they are near sandy ocean floors. They are a relatively fast-growing and short-lived species, currently representing a major biological component of the Bering Sea ecosystem. It has been found that catches of Alaska pollock go up three years after stormy summers. The storms stir up nutrients, and this results in
phytoplankton Phytoplankton () are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater Aquatic ecosystem, ecosystems. The name comes from the Greek language, Greek words (), meaning 'plant', and (), mea ...
being plentiful for longer, which in turn allows more pollock hatchlings to survive. The Alaska pollock has well-developed drumming muscles that the fish use to produce sounds during courtship, like many other gadids.


Foraging behavior

The primary factor in determining the
foraging Foraging is searching for wild food resources. It affects an animal's fitness because it plays an important role in an animal's ability to survive and reproduce. Foraging theory is a branch of behavioral ecology that studies the foraging behavi ...
behavior of the Alaskan pollock is age. Young pollocks can be divided into two sub-groups, fish with lengths below and fish greater than 60mm. Both groups mainly feed on
copepod Copepods (; meaning 'oar-feet') are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (living in the water column), some are benthos, benthic (living on the sedimen ...
s. However, the latter group will also forage for
krill Krill ''(Euphausiids)'' (: krill) are small and exclusively marine crustaceans of the order (biology), order Euphausiacea, found in all of the world's oceans. The name "krill" comes from the Norwegian language, Norwegian word ', meaning "small ...
. Therefore, food depletion has a larger effect on smaller pollock. The variation in size of each subgroup also affects seasonal foraging behavior. During the winter, when food is scarce, foraging can be costly due to the fact that longer hunting time increases the risk of meeting a predator. The larger young pollocks have no need to hunt during the winter because they have a higher capacity for energy storage, while smaller fish do not, and have to continue foraging, putting them at greater risk. To maximize their chances of survival, large pollock increase their calorie intake in autumn to gain weight, while smaller ones focus solely on growing in size. Alaskan pollock exhibit
diel vertical migration Diel vertical migration (DVM), also known as diurnal vertical migration, is a pattern of movement used by some organisms, such as copepods, living in the ocean and in lakes. The adjective "diel" ( IPA: , ) comes from , and refers to a 24-hour ...
, following the seasonal movement of their food. Although pollocks exhibit vertical movement during the day, their average depth changes with the seasons. Originally, the change in depth was attributed to the amount of light or water temperature, but in fact, it follows the movement of food species. In August, when food is abundantly available near the surface, pollocks will be found at shallower depths. In November, they are found deeper along with their planktonic food source.


Distribution


Alaska pollock in the Pacific Ocean

The Alaska pollock's main habitats are the coastal areas of the Northern
Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the cont ...
, especially the waters off
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
(Eastern Bering Sea,
Gulf of Alaska The Gulf of Alaska ( Tlingit: ''Yéil T'ooch’'') is an arm of the Pacific Ocean defined by the curve of the southern coast of Alaska, stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the ...
,
Aleutian Islands The Aleutian Islands ( ; ; , "land of the Aleuts"; possibly from the Chukchi language, Chukchi ''aliat'', or "island")—also called the Aleut Islands, Aleutic Islands, or, before Alaska Purchase, 1867, the Catherine Archipelago—are a chain ...
) as well as off
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
,
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
and Korea (Western Bering Sea and
Sea of Okhotsk The Sea of Okhotsk; Historically also known as , or as ; ) is a marginal sea of the western Pacific Ocean. It is located between Russia's Kamchatka Peninsula on the east, the Kuril Islands on the southeast, Japan's island of Hokkaido on the sou ...
). The largest concentrations of Alaska pollock are found in the eastern Bering Sea.


Small populations in the Arctic Ocean (Barents Sea)

Very small populations of fish genetically identical to ''Gadus chalcogrammus'' are found in the
Barents Sea The Barents Sea ( , also ; , ; ) is a marginal sea of the Arctic Ocean, located off the northern coasts of Norway and Russia and divided between Norwegian and Russian territorial waters.World Wildlife Fund, 2008. It was known earlier among Russi ...
waters of northern Norway and Russia. This fish was initially described as its own species under the taxon ''Theragra finnmarchica'' by Norwegian zoologist
Einar Koefoed Einar Laurentius Koefoed (1875–1963) was a Danish-born marine biologist who spent most of his professional career in Norway. Taxon named in his honor ''Searsia koefoedi'' (Koefoed's searsid) is named after Einar Koefoed. Also the genus ''Ei ...
in 1956. The common name used for the fish was "Norway pollock". Genetic analyses have shown that the fish is genetically identical to the Alaska pollock. It is therefore considered to be
conspecific Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species. Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organism ...
with the Pacific species and is attributed to ''Gadus chalcogrammus''. The history of the species in the Barents Sea is unknown. The initial specification as an own species by Koefoed was based on two specimens landed in Berlevåg, northern Norway, in 1932 (hence the Norwegian name, ). Based on morphological differences, Koefoed considered ''Theragra finnmarchica'' a new species, related to but separate from the Alaska pollock. Just seven specimens of the fish are known to have been caught between 1957 and early 2002 in the Arctic Ocean. In 2003 and 2004, 31 new specimens were caught. All specimens were large ( in total length) and caught in the coastal waters between
Vesterålen Vesterålen ( , ; ) is a district and archipelago in Nordland county, Norway. It is located just north of Lofoten and west of Harstad. It is the northernmost part of Nordland county. Sortland is the largest town, situated near the center of the a ...
in the west and
Varangerfjord The Varangerfjord (; ; ; ) is the easternmost fjord in Norway, north of Finland. The fjord is located in Finnmark county between the Varanger Peninsula and the mainland of Norway. Extents The fjord flows through the municipalities of Vardø ...
in the east. By 2006, 54 individuals had been recorded. Sequencing of
mitochondrial DNA Mitochondrial DNA (mtDNA and mDNA) is the DNA located in the mitochondrion, mitochondria organelles in a eukaryotic cell that converts chemical energy from food into adenosine triphosphate (ATP). Mitochondrial DNA is a small portion of the D ...
of two specimens of ''Theragra finnmarchica'' and 10 ''Theragra chalcogramma'' (today: ''Gadus chalcogrammus'') revealed no significant genetic differences, leading Ursvik et al. to suggest that ''T. finnmarchica'' and ''T. chalcogramma'' are the same species. An analysis of a much larger sample size (44 ''T. finnmarchica'' and 20 ''T. chalcogramma'') using both genetic and morphological methods led to similar conclusions. While the putative species could not be separated genetically, they showed some consistent differences in morphology. Only one characteristic showed no overlap. Byrkjedal et al. conclude that ''T. finnmarchica'' should be considered a
junior synonym In taxonomy, the scientific classification of living organisms, a synonym is an alternative scientific name for the accepted scientific name of a taxon. The botanical and zoological codes of nomenclature treat the concept of synonymy differently. ...
of ''T. chalcogramma''. These analyses also suggest that ''T. finnmarchica'' is a near relative of the
Atlantic cod The Atlantic cod (: cod; ''Gadus morhua'') is a fish of the family Gadidae, widely consumed by humans. It is also commercially known as '' cod'' or ''codling''. Norway pollock (''Theragra finnmarchica'') was listed as
Near Threatened A near-threatened species is a species which has been Conservation status, categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature (IUCN) as that may be vulnerable to Endangered species, endangerment in the ne ...
in the 2010 Norwegian Red List for Species based on criteria D1: "Very small or geographically very restricted population: Number of mature individuals". The
IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological ...
currently lists Alaskan pollock as Near Threatened in Europe.


Fisheries

The Alaska pollock has been said to be "the largest remaining source of palatable fish in the world". Around of Alaska pollock are caught each year in the North Pacific, from
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
to northern
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
. Alaska pollock is the world's second most important fish species, after the Peruvian anchoveta, in terms of total catch. Alaska pollock landings are the largest of any single fish species in the U.S, with the average annual Eastern Bering Sea catch between 1979 and 2022 being 1.26 million metric tons. Alaska pollock catches from U.S. fisheries have been relatively consistent at approximately 1.3 million tons a year, on average 92 percent from the Bering Sea and 8 percent from the Gulf of Alaska. Each year's quota is adjusted based on
stock assessment Stock assessments provide fisheries managers with the information that is used in the regulation of a fish stock. Biological and fisheries data are collected in a stock assessment. A wide array of biological data may be collected for an assess ...
s conducted by the Alaska Fisheries Science Center to prevent overfishing. For example quotas were reduced from 2008 to 2010 in the Bering Sea due to stock declines. Independent certification groups have hailed the fishery as an example of good management. For example, the Gulf of Alaska and Bering Sea/Aleutian Islands fisheries were separately certified as "sustainable" by the
Marine Stewardship Council The Marine Stewardship Council (MSC) is a non-profit organisation which aims to set standards for sustainable fishing. Fisheries that wish to demonstrate they are well-managed and sustainable compared to the MSC's standards are assessed by a tea ...
(MSC) in 2005, and were certified in 2010 and 2016.  The fisheries received a combined re-certification in 2020. The
Marine Conservation Society The Marine Conservation Society is a UK-based charitable organisation working with businesses, governments and communities to clean and protect oceans. Founded in 1978 as the Underwater Conservation Society, the group claims to be working towards ...
rates Alaska pollock harvested from the Gulf of Alaska, Bering Sea, and Aleutian Islands as sustainable, but not those from the Western Bering Sea in Russian waters. In 2021, the MSC awarded the U.S. trade associations ''Association of Genuine Alaska Pollock Producers'' (GAPP) and ''At-Sea Processors Association'' with its ''Ocean Champion Award'' that recognizes organizations for meeting MSC's commitment to a healthier ocean and a more transparent supply chain. The MSC recognized Alaska pollock from U.S. fisheries as one of the "healthiest" and "most sustainable sources" of protein. File:Pollock larva.jpg, File:Juvenile pollock.jpg, File:Alaska pollock 2.jpg, File:Alaska pollock catch.jpg, , alt= of Alaska pollock in a net on a trawler's deck


As food

Compared to other
cod Cod (: cod) is the common name for the demersal fish genus ''Gadus'', belonging to the family (biology), family Gadidae. Cod is also used as part of the common name for a number of other fish species, and one species that belongs to genus ''Gad ...
species and
pollock Pollock or pollack (pronounced ) is the common name used for either of the two species of North Atlantic ocean, marine fish in the genus ''Pollachius''. ''Pollachius pollachius'' is referred to as "pollock" in North America, Ireland and the Unit ...
, Alaska pollock has a milder taste, whiter color and lower oil content.


Fillets

High-quality, single-frozen whole Alaska pollock fillets may be layered into a block mold and deep-frozen to produce fish blocks that are used throughout
Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
and
North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
as the raw material for high-quality breaded and battered fish products. Lower-quality, double-frozen fillets or minced trim pieces may also be frozen in block forms and used as raw material for lower-quality, low-cost breaded and battered fish sticks and portions. Alaska pollock is commonly used in the
fast food Fast food is a type of Mass production, mass-produced food designed for commercial resale, with a strong priority placed on speed of service. ''Fast food'' is a commercial term, limited to food sold in a restaurant or store with frozen, preheat ...
industry in products such as
McDonald's McDonald's Corporation, doing business as McDonald's, is an American Multinational corporation, multinational fast food chain store, chain. As of 2024, it is the second largest by number of locations in the world, behind only the Chinese ch ...
Filet-O-Fish sandwich,
Burger King Burger King Corporation (BK, stylized in all caps) is an American multinational chain store, chain of hamburger fast food restaurants. Headquartered in Miami-Dade County, Florida, the company was founded in 1953 as Insta-Burger King, a Jacks ...
Big Fish Sandwich,
Wendy's Wendy's International, LLC, is an American international fast food restaurant chain founded by Dave Thomas (businessman), Dave Thomas on November 15, 1969, in Columbus, Ohio. Its headquarters moved to Dublin, Ohio, on January 29, 2006. As of D ...
Crispy Panko Fish Sandwich,
Arby's Arby's is an American fast-food restaurant, fast food sandwich restaurant chain with more than 3,300 restaurants. The flagship property of Inspire Brands, it ranked third in systemwide sales in the United States in the quick-service and fast-ca ...
King's Hawaiian Fish Deluxe,
Arby's Arby's is an American fast-food restaurant, fast food sandwich restaurant chain with more than 3,300 restaurants. The flagship property of Inspire Brands, it ranked third in systemwide sales in the United States in the quick-service and fast-ca ...
Crispy Fish Sandwich,
Arby's Arby's is an American fast-food restaurant, fast food sandwich restaurant chain with more than 3,300 restaurants. The flagship property of Inspire Brands, it ranked third in systemwide sales in the United States in the quick-service and fast-ca ...
Spicy Fish Sandwich, Long John Silver's Baja Fish Taco, Bojangles Bojangular, Birds Eye's Fish Fingers in Crispy Batter, 7-Eleven's Fish Bites, White Castle's Panko Breaded Fish Sliders, and
Captain D's Captain Ds, LLC. is an American fast casual restaurant chain that specializes in seafood and is headquartered in Nashville, Tennessee. The chain was founded as Mr. D's Seafood and Hamburgers by Raymond L. Danner Sr. on August 15, 1969, in Don ...
Seafood Kitchen. Some of these items are seasonal offerings during
Lent Lent (, 'Fortieth') is the solemn Christianity, Christian religious moveable feast#Lent, observance in the liturgical year in preparation for Easter. It echoes the 40 days Jesus spent fasting in the desert and enduring Temptation of Christ, t ...
, when seafood demand is higher.


Surimi

Single-frozen Alaska pollock is considered to be the premier raw material for ''
surimi is a paste made from Fish as food, fish or other meat. It can also be any of a number of East Asian cuisine, East Asian foods that use that paste as their primary ingredient. It is available in many shapes, forms, and textures, and is often ...
''. The most common use of surimi in the United States is " imitation crabmeat", though it is often seen labeled in retailers and grocers as "surimi seafood" sticks, flakes, or chunks. There are five main forms of surimi seafood: chunk, leg, flake, salad, and shred. Surimi made from minced Alaska Pollock retains the aforementioned carbon footprint advantage.


Pollock roe

Pollock roe is a popular culinary ingredient in
Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...
,
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, and
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
. In Korea, the roe is called (, literally 'Alaska pollock's roe'), and the salted roe is called (, literally 'pollock roe ''
jeotgal ''Jeotgal'' () or ''jeot'' (), translated as salted seafood, is a category of salted preserved dishes made with seafood such as shrimps, oysters, clams, fish, and roe. Depending on the ingredients, ''jeotgal'' can range from flabby or solid pi ...
''). The food was introduced to Japan after
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, and since has been called () in Japanese. A milder, less spicy version is usually called (, literally 'cod's roe'), which is also the Japanese name for pollock roe itself. In Russia, pollock roe is consumed as a sandwich spread. The product, resembling liquid paste due to the small size of eggs and oil added, is sold canned.


Use as food in Korea

Alaska pollock is considered the "national fish" of
Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...
. The Korean name of the fish, (), has also spread to some neighbouring countries: it is called () in
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
and its roe is called () in
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, although the Japanese name for the fish itself is (). In Korea, is called thirty-odd additional names, including (, fresh), (, frozen), (, dried), (, dried in winter with repeated freezing and thawing), (, dried young), and (, half-dried young). Koreans have been eating Alaska pollock since the
Joseon Joseon ( ; ; also romanized as ''Chosun''), officially Great Joseon (), was a dynastic kingdom of Korea that existed for 505 years. It was founded by Taejo of Joseon in July 1392 and replaced by the Korean Empire in October 1897. The kingdom w ...
era. One of the earliest mentions is from '' Seungjeongwon ilgi'' (''Journal of the Royal Secretariat''), where a 1652 entry stated: "The management administration should be strictly interrogated for bringing in pollock roe instead of cod roe." Alaska pollocks were the most commonly caught fish in Korea in 1940, when more than 270,000
tonne The tonne ( or ; symbol: t) is a unit of mass equal to 1,000  kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the s ...
s were caught from the
Sea of Japan The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, it ...
. It outnumbers the current annual consumption of Alaska pollock in South Korea, estimated at 260,000
tonne The tonne ( or ; symbol: t) is a unit of mass equal to 1,000  kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the s ...
s in 2016. Nowadays, however, Alaska pollock consumption in South Korea rely heavily on import from
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
, due to rises in sea water temperatures. In 2019, South Korea imposed a total ban on pollock fishing "to help replenish depleted stocks" of the fish.


References


External links


NOAA NMFS: U.S. Seafood Facts

FISHINFOnetwork Market Report 04/07

FishBase: Alaska Pollock

Alaska pollock fishery profiles
Status of these fisheries, summarised on FisheriesWiki {{Authority control Commercial fish Fish described in 1814 Fish of Korea Fish of the Pacific Ocean Fish of the United States Gadus Taxa named by Peter Simon Pallas