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Hyas coarctatus : ウィキペディア英語版 | Hyas coarctatus
Marin crab species with a lyriformed shell (lyre). ==Morphology==
''Hyas coarctatus'' look a lot like ''H. araneus'', but has a lyriformed shell. The carapace of a large specimen may grow to a length of 61mm and a width of 44mm in North-West Europe. In the inner Danish waters ''H. coarctatus'' hasn’t been found bigger than 5 cm. The colour is greybrown on the dorsal side from time to time with a bit reddish, the ventral side is dirty white.〔 The rostral horns of ''H. coarctatus'' are slightly longer and spaced further apart than in ''H. araneus''. Chelipeds are longer than in ''H. araneus''.〔〔 The outer segment of the walking legs is often more or less furry.
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「Hyas coarctatus」の詳細全文を読む
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