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Acropora hemprichii : ウィキペディア英語版 | Acropora hemprichii
''Acropora hemprichii'' is a species of acroporid coral that was first described by Christian Gottfried Ehrenberg in 1834. Found in shallow reefs in marine environments, this species occurs at depths of , and lives for between 13 and 24 years. The species is listed as vulnerable on the IUCN Red List, and has a decreasing population. It is common with a wide range, and is listed on Appendix II of CITES. ==Description== ''Acropora hemprichii'' is found in colonies of densely-packed branches, which are flat or upward-facing.〔(【引用サイトリンク】title=''Acropora hemprichii''. Fact Sheet. (Ehrenberg, 1834) )〕 Branches grow to diameters of between and lengths of around . These colonies are often more than wide, and can exist without the presence of any other species. The axial corallites are rounded and shaped like domes, and the incipient axial corallites are present on some specimens.The radial corallites are cone-shaped irregularly spaced, have smooth walls, and are large. It has a smooth coenosteum, and the species is mainly brown or pink-brown.〔 It exists in shallow reefs in marine environments, and at depths of . From specimens in the Red Sea, this species has been shown to live for between thirteen and 24 years.〔(【引用サイトリンク】title=''Acropora hemprichii )〕 It is composed of aragonite.〔(【引用サイトリンク】title=Measurements and statistics about ''Acropora hemprichii'' )〕
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「Acropora hemprichii」の詳細全文を読む
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