Goniobranchus roboi

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Goniobranchus roboi
Chromodoris roboi 3.jpg
Goniobranchus cf. roboi
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Goniobranchus
G. roboi
Binomial name
Goniobranchus roboi
(Gosliner & Behrens, 1998)[1]
  • Chromodoris roboi Gosliner & Behrens, 1998 (basionym)

Goniobranchus roboi, common name the tooth-edged chromodoris, is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.[2] This species was transferred from Chromodoris to Goniobranchus in 2012.[3]


This marine species occurs in the tropical Indo-West Pacific. It was described from Okinawa, Japan. It has been reported from Queensland, New South Wales, Sulawesi, Réunion and South Africa. Similar animals from Western Australia have a different pattern on the mantle and are intermediate between G. roboi and Goniobranchus aurigerus.[4] There are several similar species which are not yet studied or named.[5]


Goniobranchus roboi is a chromodorid nudibranch with a yellow mantle densely areolated with small white and larger lilac spots. The edge of the mantle is blue grading to white with dark purple stripes at right angles to the margin. The rhinophores and gills are white at the base grading into dark purple. The body length varies between 40 mm and 60 mm.[4][6][7][8]


  1. ^ Gosliner T. M. & Behrens D. W. (1998) "Five new species of Chromodoris (Mollusca: Nudibranchia: Chromodorididae) from the tropical Indo-West Pacific". Proceedings of the California Academy of Sciences 50: 139-165.
  2. ^ a b Bouchet, P. (2012). Goniobranchus roboi. 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., 1998 (April 4) Chromodoris roboi Gosliner & Behrens, 1998. [In] Sea Slug Forum. Australian Museum, Sydney.
  5. ^ Gosliner, T.M., Behrens, D.W. & Valdés, Á., 2018. Nudibranch and Sea Slug Identification - Indo-Pacific. New World Publications; 2nd Revised, Updated edition (1 Nov. 2018) 452 pp. ISBN 1878348671, ISBN 978-1878348678, p. 146
  6. ^ Bolland, R. (1999) Type specimen of Goniobranchus roboi. At: Okinawa Slug Site
  7. ^ Debelius, H. & Kuiter, R.H. (2007) Nudibranchs of the world. ConchBooks, Frankfurt, 360 pp. ISBN 978-3-939767-06-0 page(s): 164
  8. ^ 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

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