Goniobranchus obsoletus

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Goniobranchus obsoletus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Nudipleura
clade Nudibranchia
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Goniobranchus
Species: G. obsoletus
Binomial name
Goniobranchus obsoletus
(Rüppell & Leuckart, 1831)[1]
  • Casella obsoleta
  • Chromodoris obsoleta (Rüppell & Leuckart, 1831)
  • Doris obsoleta Rüppell & Leuckart, 1831 (basionym)

Goniobranchus obsoletus is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.[2][3]


This species was described from the Red Sea. It has also been reported from the Persian Gulf.[4]


Goniobranchus obsoletus is a chromodorid nudibranch with a mostly white mantle and an orange mantle edge. There is an irregular band of blue-black just inside the orange margin and the mantle is rugose with an orange-brown reticulation between the raised pustules. The rhinophores and gills are translucent brown with white markings.[4]


  1. ^ Rüppell, E. & Leuckart, F.S. (1831) Neue wirbellose Thiere des Rothen Meeres. Atlas zu der Reise im nördlichen Afrika von Eduard Rüppell. Brunner, Frankfurt am Main. 23-50, pls 7-12 pages.
  2. ^ a b Bouchet, P. (2012). Goniobranchus obsoletus. Accessed through: World Register of Marine Species on 2012-05-07
  3. ^ 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
  4. ^ a b Rudman, W.B., 2004 (August 3) Chromodoris obsoleta (Rüppell & Leuckart, 1830 or 31). [In] Sea Slug Forum. Australian Museum, Sydney.

Further reading[edit]

  • Debelius, H. & Kuiter, R.H. (2007) Nudibranchs of the world. ConchBooks, Frankfurt, 360 pp. ISBN 978-3-939767-06-0 page(s): 164
  • Gosliner, T.M., Behrens, D.W. & Valdés, Á. (2008) Indo-Pacific Nudibranchs and seaslugs. A field guide to the world's most diverse fauna. Sea Challengers Natural History Books, Washington, 426 pp. page(s): 223
  • Vine, P. (1986). Red Sea Invertebrates. Immel Publishing, London. 224 pp.