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・ Japanese smelt
・ Japanese snapper
・ Japanese Society (1970 book)
・ Japanese Society for Bioinformatics
・ Japanese Society for History Textbook Reform
・ Japanese Society for Rights of Authors, Composers and Publishers
・ Japanese soldierfish
・ Japanese Sound Recording Trade Disputes
・ Japanese sound symbolism
・ Japanese South Korean
・ Japanese Southern China Area Army
・ Japanese Spanish mackerel
・ Japanese sparrowhawk
・ Japanese Special Attack Units
・ Japanese Special Naval Landing Forces
Japanese spider crab
・ Japanese spiny lobster
・ Japanese Spitz
・ Japanese spotted fever
・ Japanese spurdog
・ Japanese squirrel
・ Japanese Standards Association
・ Japanese steam warship Kaiten No. 2
・ Japanese Story
・ Japanese stream toad
・ Japanese street fashion
・ Japanese striped snake
・ Japanese students in the United Kingdom
・ Japanese studies
・ Japanese studies outside the United States


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Japanese spider crab : ウィキペディア英語版
Japanese spider crab

The , ''Macrocheira kaempferi'', is a species of marine crab that lives in the waters around Japan. It has the largest leg span of any arthropod. It is the subject of small-scale fishery which has led to some conservation measures.
==Description==

The Japanese spider crab has the greatest leg span of any arthropod, reaching from claw to claw. The body may grow to a size of (carapace width) and the whole crab can weigh up to —second only to the American lobster among all living arthropod species. The males have the longer chelipeds;〔 females have much shorter chelipeds, which are shorter than the following pair of legs.〔 Apart from its outstanding size, the Japanese spider crab differs from other crabs in a number of ways. The first pleopods of males are unusually twisted, and its larvae appear primitive. The crab is orange, with white spots along the legs.〔(【引用サイトリンク】title=Japanese Spider Crabs Arrive at Aquarium )〕 It is reported to have a gentle disposition, despite its ferocious appearance.〔

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「Japanese spider crab」の詳細全文を読む



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