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''Flabellina rubrolineata'', commonly called also ''red-lined flabellina'', is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Flabellinidae.〔Gofas, S. (2015). (''Flabellina rubrolineata'' (O'Donoghue, 1929). ) In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-25〕 ==Description== The red-lined flabellina is a relatively large aeolid nudibranch growing to 42 mm in length.〔Bidgrain, P. 2015. (''Flabellina rubrolineata'' (O'Donoghue, 1929). ) At seaslugs.free.fr, retrieved 2015-11-07.〕 The stretched out body has a sharp end at the tail, the dorsal side is covered with a certain amount of extensions called cerata, which size vary from an animal to another. The rhinophores are pointed and look like feathers. The oral tentacles are thin, cylindrical and longer than the rhinophores.〔Cory Pittman and Pauline Fiene (''Flabellina rubrolineata'' ) Sea slugs of Hawaii.〕 The coloration is variable and here's a description for the two main coloration which can be easily met underwater: *The classic coloration: the body is milky white to translucent, three reddish to purple continuous or dotted lines are running on both side and in the middle of the body, oral tentacles and rhinophores are whitish with a mauve to purple ring at the two third of their extremity, cerata are also whitish with a purple ring and with orange tip. * The purple coloration: whole body including cerata, rhinophores and oral tentacles are purple to mauve, without any continuous reddish line on the body but with just a darker ring at the two third of the cerata with clearest tips. Many colour variations exist and it is likely that this species is really a species complex.〔Rudman, W.B., 1998 (January 9) (''Flabellina rubrolineata'' (O'Donoghue, 1929). ) 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「Flabellina rubrolineata」の詳細全文を読む スポンサード リンク
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