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Siderastrea siderea : ウィキペディア英語版 | Siderastrea siderea
The massive starlet coral or round starlet coral (''Siderastrea siderea'') is a stony coral in the family Siderastreidae. It is found in shallow parts of the western Atlantic Ocean as solid boulder-shaped or domed structures. ==Description== Massive starlet coral is a colonial coral that forms low domes or boulder-shaped structures with a smooth dimpled surface as much as wide on the seabed.〔 It can be encrusting when young.〔 The corallites, the calcareous cup-shaped depressions in which the polyps sit, are about wide with about 50 or 60 little ridges called septa. The general colour is reddish-brown. This species can be confused with the closely related lesser starlet coral (''Siderastrea radians'') but that is usually smaller and has deeper, more angular corallites, each with 30 to 40 septa.
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「Siderastrea siderea」の詳細全文を読む
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