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''Goniobranchus fidelis'', also commonly known as the faithful sea slug, is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.〔Bouchet, P. (2012). (''Goniobranchus fidelis''. ) Accessed through: World Register of Marine Species on 2012-05-02〕〔Rudman W. B. (1985). "The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: ''Chromodoris aureomarginata'', ''C. verrieri'' and ''C. fidelis'' colour groups". ''Zoological Journal of the Linnean Society'' 83: 241-299. 〕〔Johnson R.F. & Gosliner T.M. (2012) (''Traditional taxonomic groupings mask evolutionary history: A molecular phylogeny and new classification of the chromodorid nudibranchs.'' ) PLoS ONE 7(4): e33479〕 == Description == The faithful sea slug can reach more than 25 mm length.〔 The body of the animal can be described in two distinct parts: the foot and the mantle. The foot is stretched and almost covered by the edges of the wide mantle, it is cream in colour. The colour pattern of the mantle is marked by a creamy white area with scalloped edges. The whole wide margin of the mantle is orange to red, a burgundy like border, with a variable thickness from one animal to the other, delimiting the two coloured areas.〔Mitel Cédric, Corolla Jean-Pierre, Warren Lindsay, Leon Virginie, (2015) (''Goniobranchus fidelis'' (Kelaart, 1858). ) in : DORIS, 8/2/2015〕 The rhinophores are laminated, contractile and greyish color, whose intensity varies from one animal to another with lighter colour at the tip. Gills have the same colour as the rhinophores but they are retractable. 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「Goniobranchus fidelis」の詳細全文を読む スポンサード リンク
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