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''Concholepas concholepas'', the Chilean abalone, is a species of large edible sea snail, a marine gastropod mollusk. Despite the superficial resemblance, ''C. concholepas'' is not a true abalone (a species in the family Haliotidae), but a member of the family Muricidae, also known as murex snails or rock snails. This species is native to the coasts of Chile and Peru, where it is called ''loco'' (Chilean Spanish a loanword from Mapuche〔 (Etimología de LOCO ). Etimologías de Chile〕) or ''pata de burro'' and ''chanque'' (Peruvian Spanish). Due to overfishing, the harvesting of this species in Chile has been limited by law since 1989. The blue blood of this species contains hemocyanin, which is being investigated as a treatment for bladder and prostate cancer. ==Shell description== ''C. concholepas'' has a thick, slightly oval, and white-brown to purple-grey shell. Its very few whorls makes it resemble a Phrygian cap in shape. The outer surface of the shell shows strong lamellose ribs of which are both radial and circular-concentric. The shell is shaped almost like that of an abalone, with a very large aperture compared to other muricids. A ''loco'' cannot hide completely inside the shell if it is turned upside down, so has no need of its operculum; instead, it relies on its strong foot to remain in place. The shell is made of calcite with an inner layer of aragonite. The shells of this species are used as ashtrays in Chile. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Concholepas concholepas」の詳細全文を読む スポンサード リンク
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