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Dungeness crab
The Dungeness crab, ''Metacarcinus magister'' (formerly ''Cancer magister''), is a species of crab that inhabits eelgrass beds and water bottoms on the west coast of North America. It typically grows to across the carapace and is a popular seafood prized for its sweet and tender flesh. Its common name comes from the port of Dungeness, Washington.
==Description==
The carapace widths of mature Dungeness crabs may reach in some areas off the coast of Washington, but are typically under . They are a popular delicacy, and are the most commercially important crab in the Pacific Northwest, as well as the western states generally.〔(【引用サイトリンク】title=Species Fact Sheet. ''Cancer magister'' Dana, 1852 )〕 The annual Dungeness Crab and Seafood Festival is held in Port Angeles each October.
Dungeness crabs have a wide, long, hard shell, which they must periodically moult to grow; this process is called ecdysis. They have five pairs of legs, which are similarly armoured, the foremost pair of which ends in claws the crab uses both as defense and to tear apart large food items. The crab uses its smaller appendages to pass the food particles into its mouth. Once inside the crab's stomach, food is further digested by the "gastric mill", a collection of tooth-like structures. ''M. magister'' prefers to eat clams, other crustaceans and small fish, but is also an effective scavenger. Dungeness crabs can bury themselves completely in the sand if threatened.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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