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Himerometra robustipinna : ウィキペディア英語版 | Himerometra robustipinna
''Himerometra robustipinna'' is a species of crinoids belonging to the family Himerometridae. ==Description== ''Himerometra robustipinna'' can reach a diameter of about . It has a cup-shaped body with 33-62 arms (usually ~45) about long, extended out from the central disc. Mouth and anus are both on the upper side of the body. Usually this species has reddish or maroon arms, but it may have yellow or pale brown brachials with maroon pinnules. It feeds on detritus, phytoplankton and zooplankton caught by means of a sticky substance on the arms. It can cling onto corals with short appendages called cirri, but it also can freely swim. The larvae of this feather star swim freely with plankton for a few weeks, then they settle down growing into a stalked form. Mature specimen break the stalk becoming free-living.
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「Himerometra robustipinna」の詳細全文を読む
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