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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 Stephanasterias albula ： ウィキペディア英語版 Stephanasterias albula ''Stephanasterias albula'' is a species of starfish in the family Asteriidae. It is the only species in its genus, ''Stephanasterias'', which was described by Verrill in 1871. It has a circumboreal distribution and is found in the north west Atlantic Ocean, the north east Pacific Ocean, the Barents Sea and European waters.〔 It usually has eight arms and is white with a rough upper surface. It has been trawled from depths of 267 metres.〔(''Stephanasterias albula'' (Stimpson, 1853) ) Retrieved 2011-09-27.〕 ==Biology== ''S. albula'' is an omnivore, predator and scavenger.〔 Reproduction is by fission. A furrow develops across the disc and the animal divides into two halves. New arms develop on the injured surfaces. A lack of any juvenile or young specimens found leads to the view that there is no larval recruitment and that this species only reproduces by fissiparity. 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「Stephanasterias albula」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.