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Goniobranchus sp. 03  Genus: Pease, 1866

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Goniobranchus sp. 03 is one species of a complex of species with a reticulated network of red lines on the mantle, IPN lists:
Chromodoris cf. alderi, Chromodoris sp. 2, Chromodoris sp. 3, Chromodoris sp. 4, Chromodoris sp. 5, Chromodoris tinctoria,
Chromodoris sp. 6, Chromodoris sp. 7, Chromodoris sp. 8, and Chromodoris sp. 9.
Goniobranchus sp. 03 is characterized by its diffuse reticulated pattern and by its orange marginal band, there is in some specimens a thin white submarginal band.
This species is as Chromodoris sp. 6 in IPN at page 212.
Pretty similar are:
Goniobranchus reticulatus which has commonly no marginal band and differs by distinct tubercles and by its opaque white gill rachis
Goniobranchus sp. 04 which differs by purple tipped white tubercles.
This species was posted on 31 May 2006 at these websites as Chromodoris tinctoria (Rüppell & Leuckart, 1828) [Doris],
on 12 April 2011 changed into Chromodoris reticulata (Pease, 1866) [Goniobranchus],
and on 28 July 2011 changed into Chromodoris sp. 03  Genus: Alder & Hancock, 1855.
R.F. Johnson & Gosliner (2012) moved it to the reerected ("rescued from synonymy") genus Goniobranchus  Pease, 1866, on which Rebecca and Terry state: "This clade includes all of the Indo-Pacific species of Chromodoris that are not part of the black-lined, planar egg mass clade,
except Chromodoris alternata and Chromodoris ambiguus."
References:
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books.
Gig Harbor, Washington. 426pp.
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
Bill Rudman's Sea-Slug Forum has all species of this complex as Chromodoris tinctoria.
How to cite:
Köhler, E. (2017), published 15 May 2017, Goniobranchus sp. 03  Genus: Pease, 1866
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Goniobranchus_sp_03.htm