Wolf Eel

Information about Wolf Eel

Seawolf

Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Anarhichadidae
Genus:	Anarhichas
Species:	*A. lupus*

Binomial name

Anarhichas lupus
Linnaeus, 1758

The Seawolf (Anarhichas lupus), also known as the Atlantic wolffish, Atlantic catfish, wolf eel, or sea cat, is a marine fish, the largest of the family Anarhichadidae. In spite of its large size (the largest specimen caught being 150 cm long and weighing almost 24 kg), it has retained the bodily form and general external characteristics of the small blennies. Its body is long, subcylindrical in front, compressed in the caudal portion, smooth and slippery, the rudimentary scales being embedded and almost hidden in the skin. An even dorsal fin extends the whole length of the back, and a similar fin from the vent to the caudal fin, as in blennies. The pectorals are large and rounded, the pelvic fins entirely absent.

Its dentition distinguishes the seawolf from all the other members of the family. Both jaws are armed in front with strong conical teeth, and on the sides with two series of large tubular molars, a biserial band of similar molars occupying the middle of the palate. By these teeth the seawolf is able to crush the hard carapaces or shells of the crustaceans and molluscs on which it feeds; The rocks between which it hides are usually strewn about with the broken shells of its prey. That it uses the teeth as a weapon of defence and deserves the character of ferocity generally attributed to it would appear to be rather questionable. The teeth wear down because of excessive grinding, so a new set grows in annually. In the interim, however, it is supposed that the fish will fast for months while it waits for the new teeth to grow in.

Anarhichas lupus (on Faroese stamp)

Seawolves are inhabitants of the northern seas of both hemispheres, being common on the coasts of Scandinavia and North Britain, and also in the seas around Iceland and Greenland. Two related species occur in the corresponding latitudes of the North Pacific Ocean. They typically attain a length exceeding two meters, and in the north are esteemed as food, both fresh and preserved. They are marketed as "Scotch Halibut" and "Scarborough Woof" and are a popular ingredient in fish and chips.^[1] The oil extracted from the liver is said to be equal in quality to the best cod liver oil.

In Icelandic, the Seawolf is called Steinbitur, which literally translates to "stone biter".

Trivia

Several ships and the US Navy Seawolf class submarine are named for this fish.

References

1. ^ "Underwater Photography - Wolf Fish"

Anarhichas lupus (TSN 171341). Integrated Taxonomic Information System. Accessed on 19 March 2006.
"Anarhichas lupus". FishBase. Ed. Ranier Froese and Daniel Pauly. November 2005 version. N.p.: FishBase, 2005.

Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885

Typical Classes

See below

Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Actinopterygii
Klein, 1885

Subclasses

Chondrostei
Neopterygii
See text for orders.
The Actinopterygii (the plural form of Actinopterygius) comprise the class of the ray-finned fishes.
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Perciformes

Families

many, see text
The Perciformes, also called the Percomorphi or Acanthopteri, include about 40% of all fish and are the largest order of vertebrates. The name Perciformes means perch-like.
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Anarhichadidae
Bonaparte, 1846

Genera

Anarhichas
Anarrhichthys
See text for species.
The wolffishes are a family, Anarhichadidae, of perciform fishes.
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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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Carolus Linnaeus (Carl von LinnÃ©)

Carl von LinnÃ©, Alexander Roslin, 1775. Currently owned by and hanging at the Royal Swedish Academy of Sciences.
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Blennioidei

Families

Blenniidae
Chaenopsidae
Clinidae
Dactyloscopidae
Labrisomidae
Tripterygiidae
The common name blenny is ambiguous at best, as it has been applied to several families of perciform marine, brackish and some freshwater
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In sciences dealing with the anatomy of animals, precise anatomical terms of location are necessary for a variety of reasons. Non-scientists often wonder why zoological and human anatomists use complex terminology to describe locations on a body, when common terms like "up",
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crustaceans (Crustacea) are a large group of arthropods, comprising approximately 52,000 described species ^[1], and are usually treated as a subphylum ^[2].
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Mollusca
Linnaeus, 1758

Classes

Caudofoveata
Aplacophora
Polyplacophora
Monoplacophora
Bivalvia
Scaphopoda
Gastropoda
Cephalopoda
† Rostroconchia
† Helcionelloida
† ?Bellerophontida
The molluscs
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Anthem
LofsÃ¶ngur

Location of Iceland

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Anthem
Nunarput utoqqarsuanngoravit
Nuna asiilasooq

Capital
(and largest city) Nuuk (GodthÃ¥b)

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Earth's oceans
(World Ocean)

Arctic Ocean
Atlantic Ocean
Indian Ocean
Pacific Ocean
Southern Ocean

The Pacific Ocean (from the Latin name Mare Pacificum
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Fish and chips or fish 'n' chips, is a popular British take-away food, which consists of deep-fried fish in batter or breadcrumbs with deep-fried potatoes. Fish and chips were traditionally sold wrapped in newspaper but this practice virtually disappeared in the late
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liver is an organ present in vertebrates and some other animals. It plays a major role in metabolism and has a number of functions in the body, including glycogen storage, decomposition of red blood cells, plasma protein synthesis, and detoxification.
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Cod liver oil is derived from cod livers. It is a nutritional supplement, in the past commonly given to children. Cod liver oil is one of the most effective providers of omega-3 fatty acids, and an excellent source of vitamin A and vitamin D.
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USS Seawolf, for the seawolf, a solitary fish with strong, prominent teeth and projecting tusks that give it a savage look.

The first Seawolf, renamed H-1 (SS-28) before launching, was the lead ship of her class.

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United States Navy (USN) is the branch of the United States armed forces responsible for conducting naval operations. The U.S. Navy currently has over 340,000 personnel on active duty and nearly 128,000 in the Navy Reserve.
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Seawolf class attack submarine (SSN) was the intended successor to the Los Angeles class, ordered at the end of the Cold War in 1989. At one time, an intended fleet of 29 submarines was to be built over a ten-year period, later reduced to twelve.
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