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''Fromia nodosa'', commonly called elegant sea star, is a species of marine starfish belonging to the family Goniasteridae. ==Description== The elegant sea star has five triangular arms radiating around an apparent central disc. its coloration is reddish, sometimes blueish to orange, and more or less densely covered with large, embossed creamy rounded plates, which are slightly angular at their top and whose size decreases towards the end of the arms. These plates leave a normally open pentagonal area on the central disc, but they also can sometimes completely cover it. Adult animals measure a maximum of ten cms in diameter.〔http://fran.cornu.free.fr/affichage/affichage_nom.php?id_espece=1549&num_visu=3〕 This species is sometimes very difficult to differentiate from closely related species as ''Fromia monilis'' or ''Celerina heffernani'': ''F. monilis''〔http://echinoblog.blogspot.fr/2014/07/the-colorful-challenge-of-fromia-indo.html〕 has no relief plates and ''C. heffernani'' has more rounded plates which line the outside of the arms and also the geographic distribution differs. 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「Fromia nodosa」の詳細全文を読む スポンサード リンク
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