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Heteroxenia fuscescens : ウィキペディア英語版 | Pulsating xenid
The Pulsating xenid (''Heteroxenia fuscescens'') is a species of soft coral of the family Xeniidae ==Description== The polyps of ''Heteroxenia fuscescens'' grow to form large clumping colonies up to across. Its polyp stalks are approximately long, each stalk ending in a ring of large feathery pinnate tentacles, eight per polyp, as is typical of octocorals Polyps pulsate rhythmically around 40 times/ minute, moving their tentacles in a "pumping" or "pulsating" fashion. The function of this pulsing is not fully understood. Some hypotheses include creating a current to assist feeding, respiration, and helping to dispose of waste and detritus. It contains zooxanthellae, and draws most of its energy from these symbiotes.〔Lieske, E. and Myers, R.F. (2004) ''Coral reef guide; Red Sea'' London, HarperCollins ISBN 0-00-715986-2〕
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「Pulsating xenid」の詳細全文を読む
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