The capelin or caplin, Mallotus villosus, is a small forage fish Forage fish are small fish which are preyed on by larger predators for food. Predators include other larger fish, seabirds and marine mammals. Typical ocean forage fish feed near the base of the food chain on plankton, often by filter feeding. They include the fishes of the family Clupeidae , as well as anchovies, capelin and halfbeaks of the smelt Smelts are a family of small fish, Osmeridae, found in the Atlantic and Pacific Oceans. They are common in the North American Great Lakes, and in the lakes and seas of the northern part of Europe, and run in large schools along the coastline during their spring migration to their spawning streams family found in the Atlantic The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about 106.4 million square kilometres , it covers approximately one-fifth of the Earth's surface and about one-quarter of its water surface area. The first part of its name refers to the Atlas of Greek mythology, making the Atlantic the "Sea of and Arctic The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest, and shallowest of the world's five major oceanic divisions. The International Hydrographic Organization recognizes it as an ocean, although some oceanographers call it the Arctic Mediterranean Sea or simply the Arctic Sea, classifying oceans. In summer, it grazes on dense swarms of plankton Plankton consist of any drifting organisms that inhabit the pelagic zone of oceans, seas, or bodies of fresh water. Plankton are defined by their ecological niche rather than their phylogenetic or taxonomic classification. They provide a crucial source of food to more familiar aquatic organisms such as fish at the edge of the ice shelf. Larger capelin also eat a great deal of krill Krill is a type of shrimp-like marine invertebrate animal. These small crustaceans are important organisms of the zooplankton, particularly as food for baleen whales, manta rays, whale sharks, crabeater seals, and other seals, and a few seabird species that feed almost exclusively on them. Another name is euphausiids, after their taxonomic order and other crustaceans Crustaceans are a very large group of arthropods, comprising almost 52,000 described species , and are usually treated as a subphylum . They include various familiar animals, such as crabs, lobsters, crayfish, shrimp, krill and barnacles. The majority of them are aquatic, living in either marine or fresh water environments, but a few groups have. Whales Whale is the common name for marine mammals of the order Cetacea. The term whale is sometimes used to refer to all cetaceans, but in more common English usage it generally excludes the members of the Delphinoidea superfamily, such as dolphins and porpoises. These smaller species belong to the suborder Odontoceti , which also includes the sperm, seals Pinnipeds or fin-footed mammals are a widely distributed and diverse group of semi-aquatic marine mammals comprising the families Odobenidae (the walrus), Otariidae (eared seals, including sea lions and fur seals), and Phocidae (earless seals). Formerly classified as a separate biological suborder, Pinnipedia is now sometimes considered a, cod The Atlantic cod, Gadus morhua, is a well-known demersal food fish belonging to the family Gadidae. It is also commercially known as Cod, Codling or Haberdine, squid, mackerel, beluga whales and seabirds Seabirds are birds that have adapted to life within the marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent evolution, as the same environmental problems and feeding niches have resulted in similar adaptations. The first seabirds evolved in the Cretaceous period, and modern all prey on capelin in particular during the spawning season of the capelin while it migrates southwards. Capelin spawn on sandy beaches and sandy bottom at the age of 2-6 years, and have an extremely high mortality rate on the beaches after spawning, for males close to 100% mortality.

Females reach 20 cm in length, while males are up to 25 cm long. They are olive-colored dorsally, shading to silver on sides. Males have a translucent ridge on both sides of their bodies. The ventral aspects of the females iridesce reddish at the time of spawn.

In years with large quantities of herring Herring are relatively small oily fish of the genus Clupea found in the shallow, temperate waters of the North Pacific and the North Atlantic oceans, including the Baltic Sea. Two species of Clupea are currently recognized, the Atlantic herring and the Pacific herring (Clupea pallasii), each of which may be divided into subspecies. Herrings are in the Barents Sea The Barents Sea is a part of the Arctic Ocean located north of Norway and Russia. It is a rather deep shelf sea (average depth 760 feet (230 m) and maximum depth 1,480 feet (450 m) ), bordered by the shelf edge towards the Norwegian Sea in the west, the island of Svalbard (Norway) in the northwest, and the islands of Franz Josef Land and Novaya, capelin seems to be heavily affected. Probably both food competition and herring feeding on capelin larvae lead to collapses in the capelin stock.

Commercially capelin is used for fish meal Fish meal, or fishmeal, is a commercial product made from both whole fish and the bones and offal from processed fish. It is a brown powder or cake obtained by rendering pressing the cooked whole fish or fish trimmings to remove most of the fish oil and water, and then ground. What remains is the "fishmeal" and oil Fish oil is oil derived from the tissues of oily fish. It is recommended for a healthy diet because it contains the omega-3 fatty acids, eicosapentaenoic acid , and docosahexaenoic acid (DHA), precursors to eicosanoids that reduce inflammation throughout the body. Fish do not actually produce omega-3 fatty acids, but instead accumulate them from industry products, but is also appreciated as food. The flesh is agreeable in flavor, resembling herring. Capelin roe Roe or hard roe is the fully ripe internal ovaries or egg masses of fish and certain marine animals, such as shrimp, scallop and sea urchins. As a seafood, roe is used both as a cooked ingredient in many dishes and as a raw ingredient ("masago") is considered as a high value product, particularly in Japan Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south. The characters which make up Japan's name mean "sun-origin", which. It is also commonly mixed with wasabi Wasabi (Japanese: わさび,ワサビ , 山葵 ; Wasabia japonica, Cochlearia wasabi, or Eutrema japonica) is a member of the Brassicaceae family, which includes cabbages, horseradish and mustard. Known as "Japanese horseradish", its root is used as a spice and has an extremely strong flavour. Its hotness is more akin to that of a hot and sold as "wasabi caviar."

Capelin is an important forage fish Forage fish are small fish which are preyed on by larger predators for food. Predators include other larger fish, seabirds and marine mammals. Typical ocean forage fish feed near the base of the food chain on plankton, often by filter feeding. They include the fishes of the family Clupeidae , as well as anchovies, capelin and halfbeaks, and is essential as the key food of the Atlantic cod The Atlantic cod, Gadus morhua, is a well-known demersal food fish belonging to the family Gadidae. It is also commercially known as Cod, Codling or Haberdine. The North-East Atlantic Cod and Capelin fisheries therefore are managed by a multi-species approach developed by the main resource owners Norway Norway (pronounced /ˈnɔrweɪ/ ; Norwegian: Norge (Bokmål), Noreg (Nynorsk) or Norga (North Sami)), officially the Kingdom of Norway, is a country in Northern Europe occupying the western portion of the Scandinavian Peninsula, as well as Jan Mayen and the Arctic archipelago of Svalbard under the Spitsbergen Treaty. The majority of the country and Russia Russia (pronounced /ˈrʌʃə/ ; Russian: Россия transliterated: Rossiya , pronounced [rʌˈsʲijə]), officially known as both Russia and the Russian Federation (Russian: Российская Федерация​ (help·info), Rossiyskaya Federatsiya), is a country in northern Eurasia (Europe and Asia together). It is a semi-presidential.

In the provinces of Québec Quebec (English pronunciation: /kwɨˈbɛk/ or /kəˈbɛk/; French Québec [kebɛk] ) is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking identity and the only one whose sole official language is French at the provincial level (particularly in the Gaspé peninsula The Gaspésie or also Gaspé Peninsula or the Gaspé is a peninsula constituting part of the south shore of the Saint Lawrence River, in Quebec, Canada. It extends into the Gulf of Saint Lawrence and is separated from New Brunswick by the baie des Chaleurs and the Restigouche River) and Newfoundland and Labrador Newfoundland and Labrador (pronounced /ˈnjuːfənlænd ən(d) læbrəˈdɔr/; French: Terre-Neuve-et-Labrador, Irish: Talamh an Éisc agus Labradóir, Latin: Terra Nova) is a province of Canada on the country's Atlantic coast in northeastern North America. This easternmost Canadian province comprises two main parts: the island of Newfoundland off in Canada Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean. It is the world's second largest country by total area and its common border with the United States to the south and northwest is the world's longest, it is a regular summertime practice to go to the beach A beach is a geological landform along the shoreline of a body of water. It usually consists of loose particles which are often composed of rock, such as sand, gravel, shingle, pebbles, or cobblestones. The particles of which the beach is composed can sometimes instead have biological origins, such as shell fragments or coralline algae fragments and scoop the capelin up in nets or whatever is available, as the capelin "roll in" in the millions each year at the end of June June (help·info) is the sixth month of the year in the Gregorian calendar, with a length of 30 days. The Roman poet Ovid provides two etymologies for June's name in his poem concerning the months entitled the Fasti. The first is that the month is named after the Roman goddess Juno, wife of Jupiter and equivalent to the Greek goddess Hera, whilst or in early July July (help·info) is the seventh month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. It is, on average, the warmest month in most of the Northern hemisphere (where it is the second month of summer) and the coldest month in much of the Southern hemisphere. The second half of the year commences.

Capelin migration

Capelin moves inshore in large schools Fish derive many benefits from shoaling behaviour including defence against predators , enhanced foraging success, and higher success in finding a mate. It is also likely that fish benefit from shoal membership through increased hydrodynamic efficiency to spawn Spawning is the production or depositing of large quantities of eggs in water. The process is done by aquatic animals such as amphibians and fish and migrates Many types of fish migrate on a regular basis, on time scales ranging from daily to annual, and over distances ranging from a few meters to thousands of kilometers. Fish usually migrate because of diet or reproductive needs, although in some cases the reason for migration remains unknown in spring and summer to feed in the plankton Plankton consist of any drifting organisms that inhabit the pelagic zone of oceans, seas, or bodies of fresh water. Plankton are defined by their ecological niche rather than their phylogenetic or taxonomic classification. They provide a crucial source of food to more familiar aquatic organisms such as fish-rich oceanic area between Iceland The Republic of Iceland ( /ˈaɪslənd/ ) (Icelandic: Ísland or Lýðveldið Ísland (names of Iceland); IPA: [ˈislant]) is a European island country located in the North Atlantic Ocean. It has a population of about 320,000 and a total area of 103,000 km². Its capital and largest city is Reykjavík, whose surrounding area is home to some two-, Greenland Greenland is an autonomous constituent country within the Kingdom of Denmark located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically associated with Europe (specifically Denmark) since the 18th century, and Jan Mayen Jan Mayen Island is a volcanic island in the Arctic Ocean, 55 km long (southwest-northeast) and 373 km2 (144 mi2) in area, partly covered by glaciers (an area of 114.2 km2 around the Beerenberg). It has two parts: larger northeast Nord-Jan and smaller Sør-Jan, linked by an isthmus 2.5 km (1.6 mi) wide. It lies 600 km (about 400 mi) northeast of. Capelin distribution and migration is linked with ocean currents An ocean current is a continuous, directed movement of ocean water generated by the forces acting upon the water, such as the wind, Coriolis force, temperature and salinity differences and tides caused by the gravitational pull of the Moon and the Sun. Depth contours, shoreline configurations and interaction with other currents influence a current' and water masses. Around Iceland maturing capelin usually undertake extensive northward feeding migrations Many types of fish migrate on a regular basis, on time scales ranging from daily to annual, and over distances ranging from a few meters to thousands of kilometers. Fish usually migrate because of diet or reproductive needs, although in some cases the reason for migration remains unknown in spring and summer and the return migration takes place in September to November. The spawning migration starts from north of Iceland in December to January. In a paper published in 2009, researchers from Iceland recount their application of an interacting particle model to the capelin stock around Iceland, successfully predicting the spawning migration route for 2008.^[1]

Notes

1. ^ Barbaro1 A, Einarsson B, Birnir1 B, Sigurðsson S, Valdimarsson S, Pálsson ÓK, Sveinbjörnsson S and Sigurðsson P (2009) "Modelling and simulations of the migration of pelagic fish" Journal of Marine Science, 66(5):826-838.

References

• Mallotus villosus (TSN 162035). Integrated Taxonomic Information System The Integrated Taxonomic Information System is a partnership designed to provide consistent and reliable information on the taxonomy of biological species. ITIS was originally formed in 1996 as an interagency group within the U.S. federal government, involving agencies from the Department of Commerce to the Smithsonian Institution. It has now. Retrieved on 11 March 2006.
• "Mallotus villosus". FishBase FishBase is a comprehensive database of information about fish. As of October 2008[update], it included descriptions of over 30,000 species, over 260,000 common names in hundreds of languages, over 46,000 pictures, and references to more than 42,000 works in the scientific literature. Ed. Ranier Froese and Daniel Pauly. 10 2005 version. N.p.: FishBase, 2005.
• Capelin off Iceland: Biology, exploitation and management

This article incorporates text from the public domain The public domain is an intellectual property designation for the range of content that is not owned or controlled by anyone. These materials are "public property", and available for anyone to use freely for any purpose. The public domain can be defined in contrast to several forms of intellectual property; the public domain in contrast 1911 edition of The Grocer's Encyclopedia The Grocer's Encyclopedia is a book about the growing, preparation, and marketing of foods written by Artemas Ward.

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