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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pinnixa chaetopterana ： ウィキペディア英語版 Pinnixa chaetopterana ''Pinnixa chaetopterana'', the tube pea crab, is a small decapod crustacean that lives harmlessly within the tube of the polychaete worm, ''Chaetopterus variopedatus''. ==Description== ''P. chaetopterana'' is a tiny, soft-bodied crab. The bodies of all species of ''Pinnixa'' are much wider than they are long. The adults are difficult to distinguish from each other and all live in the tubes or burrows of other invertebrates. The larvae are quite dissimilar to the adults. They spends some time drifting in the zooplankton and there are five zoeal stages. The carapace is caltrop-shaped and has dorsal, rostral and lateral spines. The antennae are limited to a spinous process and a single seta. The length of the dorsal spine is less than 1.5 times the length of the rostral spine. The second and third abdominal somites have dorso-lateral knobs and the fifth somite has lateral knobs that project wing-like over the telson which has a median notch. 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「Pinnixa chaetopterana」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.