Goniobranchus hintuanensis (Gosliner & Behrens, 1998) [Chromodoris]

Click the thumbnail photos to enhance!

Goniobranchus hintuanensis is pretty variable in it's colour:
the first colour variant shown here from the Philippines looks pretty similar to Goniobranchus geometricus
the second colour variant (the picture is from Thailand) has yellowish-orange spots, it is also found at the Philippines.
It flaps just like Goniobranchus geometricus the large anterior mantle skirt up and down when crawling, and just like in Goniobranchus geometricus is the underside purple.
Two major points of difference to Goniobranchus geometricus are the rhinophore and gill colour and the presence of a few small white rounded nodules on the mantle, each surrounded by a ring of deep magenta,  purple or black. The gills and rhinophores are a translucent reddish purple colour edged with a dark line of the same colour.
This species was posted on 23 Apr. 2003 at these websites as Chromodoris hintuanensis  Gosliner & Behrens, 1998,
R.F. Johnson & Gosliner (2012) moved it to the reerected ("rescued from synonymy") genus Goniobranchus  Pease, 1866.
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
More information on Goniobranchus hintuanensis as Chromodoris hintuanensis are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 3 May 2017, Goniobranchus hintuanensis (Gosliner & Behrens, 1998)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Doridina/Goniobranchus_hintuanensis.htm


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