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Goniobranchus albonares (Rudman, 1990) [Chromodoris]

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Goniobranchus albonares has a mantle and body with an opaque white background colour with an orange band at the mantle margin. This band is in some specimens brownish-red at the margin, diffusing into orange and then into yellow. The gills and rhinophores are translucent white with opaque white edging to the gills and rhinophore lamellae. The rhinophore clubs are relatively large for the size of the species and with their bright white edging, are a very noticeable part of the animal's shape.
Pretty similar are:
Goniobranchus verrieri which differs by the colour of the gills and rhinophores: translucent red with white edgings, and
Goniobranchus preciosus which has an outer blue line at the mantle margin, and translucent red gills and rhinophores with white edgings to the lamellae.
It was posted on 17 Apr. 2004 at these websites as Chromodoris albonares  Rudman, 1990,
I follow the recent article (published: 10 April 2012)
Rebecca Fay Johnson & Terrence M. Gosliner. 2012.
Traditional Taxonomic Groupings Mask Evolutionary History:
A Molecular Phylogeny and New Classification of the Chromodorid Nudibranchs. online at
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0033479
and move Chromodoris albonares to the reerected ("rescued from synonymy") genus Goniobranchus  Pease, 1866.
More information on Goniobranchus albonares as Chromodoris albonaresare on Bill Rudman's Sea-Slug Forum!