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Cratena peregrina : ウィキペディア英語版 | Cratena peregrina
''Cratena peregrina'', commonly called the "pilgrim hervia", is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.〔Gofas, S. (2014). Cratena peregrina (Gmelin, 1791). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=146862 on 2014-09-10〕 ==Description== The pilgrim hervia is small aeolid sea slug, its average size is between 3 to 5 cm.〔http://www.seaslugforum.net/find/cratpere〕 The body is thin and slender, with a long sharply pointed tail. Its body coloration is milky white with 8 to 10 clusters of dorsal cerata which can be bright red, purple, brown or blue, with the tips coloured in luminescent blue. Those cerata act like gills, and each one contains a terminal outgrowth of the digestive gland, a diverticulum. The head, which is the same colour as the body, has a pair of bright orange rhinophores, and with two whitish long buccal tentacles, which look like horns.
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「Cratena peregrina」の詳細全文を読む
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