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Ardeadoris symmetrica (Rudman, 1990) [Glossodoris]

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Ardeadoris symmetrica is characterized by the translucent white mantle with symmetrical opaque white markings, by the thin red marginal line, and by the red rhinophores and translucent gills with red pigment.
Pretty similar are:
Ardeadoris sp. 01 which has also a white mantle, it differs by the white rhinophores and gills, and by the diffuse pale red submarginal band, followed by a broad opaque white band, and lacks the symmetrical opaque white markings on the mantle,
Ardeadoris cf. electra which has a translucent white mantle, and has also a broad opaque white submarginal band, it differs by the yellow band at the mantle margin, and by the opaque white line on the center of the anterior face of the white rhinophores, and by the brownish-tan gills, and lacks the symmetrical opaque white markings on the mantle,
Ardeadoris averni which differs by a broad bright orange-red marginal band and a diffuse opaque white submarginal band, by a pure white mantle, and by the orange-red gills and rhinophores, and lacks the symmetrical opaque white markings on the mantle.
This species was posted on 27 December 2011 at these websites as Glossodoris symmetrica  Rudman, 1990,
R.F. Johnson & Gosliner (2012) moved it to the genus Ardeadoris  Rudman, 1984.
Reference:
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
More information on Ardeadoris symmetrica as Glossodoris symmetricus are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 2 February 2017, Ardeadoris symmetrica (Rudman, 1990)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Ardeadoris_symmetrica.htm