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A food web model is a network of food chains. Each food chain starts with a primary producer or autotroph, an organism, such as an alga or a plant, which is able to manufacture its own food. Next in the chain is an organism that feeds on the primary producer, and the chain continues in this way as a string of successive predators.
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 .
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.
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Cod has been an important economic commodity in international markets since the Viking period (around A.D. 800). Cod are popular as a food fish with a mild flavour, low fat content and a dense white flesh. When cooked, cod is moist and flaky. Cod livers are processed to make cod liver oil. Cod are currently at risk from overfishing.
Food chain in a Swedish lake. Osprey feed on northern pike, which in turn feed on perch which eat bleak which eat crustaceans.. A food chain is a linear network of links in a food web, often starting with an autotroph (such as grass or algae), also called a producer, and typically ending at an apex predator (such as grizzly bears or killer whales), detritivore (such as earthworms and woodlice ...
2. Drain the salt cod; transfer to a large saucepan. Add the milk, thyme, bay leaf and smashed garlic. Pour in enough water to cover the fish by 2 inches. Simmer over low heat for 20 minutes, until the fish flakes with a fork. Using a slotted spoon, transfer the fish to a plate and let cool. Flake the fish. 3.
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 .