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Crab form hermit crabs of the family of king. It refers to the king representatives have a resemblance to crabs but is easily distinguishable by the reduced fifth pair of walking legs and asymmetrical abdomen in females. As one of the largest crustaceans Far East Kamchatka crab acts as fishing object.

Heart and stomach area of the carapace armed with three pairs of large sharp spines regardless of gender and age of the animal. Rostral sharp spike armed at the upper side of one large often forked at the top a spine and a pair of smaller spines. The movable stud being exopodite second antenna is always simple unbranched. The body and legs are painted on top of live crabs in red and brown and the bottom in the yellowish-white color the side surfaces have large purple spots.

The first attempts to study the issue of the Universe red king crab in the Barents Sea have been taken in 1932 but after analyzing the situation of the work had been frozen due to lack of a reliable method of delivery species from the Far East.

After the war in 1951 it was resumed work on acclimatization crab in the Barents Sea but again they were stopped because of the inability to deliver trapped animals lived in transport tanks with water is not more than two days.

The first successful transport aircraft of adults occurred in conventional bags in 1960 the director of the Far Eastern fleet Didenko Yuriem Grigorevichem with several of his assistants. It was he who first had introduced crab in the Barents Sea. Despite the long-term in a few months acclimatization killing about 90% of the eggs hatched females. After that it was decided to deliver only adults.

The main import held in 1961-1969 years with most of them delivered by air. In 1977-1978 by rail in 1200 it was delivered more crabs. This operation is not necessary since the first of the king caught in 1974. In 1977 the first crabs were caught off the coast of Norway.

Currently, the population in the Barents Sea is growing rapidly by 2006 their number was not less than 100 million birds. King crab is spreading rapidly to the southwest along the Norwegian coast and to the north which has already reached Spitsbergen. Being omnivorous predator destroys the native species of crustaceans echinoderms and shellfish alarming environmental organizations. Commercial fishery started by Norway in 2002 quotas for Russia and Norway are determined independently although they discussed the Russian-Norwegian Fisheries Commission. Russian quota for 2008 was about 11,500 tons.

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