Goniobranchus tinctorius

Goniobranchus tinctorius is a species of colorful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.[2][3]

Goniobranchus tinctorius
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Goniobranchus
Species:
G. tinctorius
Binomial name
Goniobranchus tinctorius
Synonyms[2]
  • Chromodoris tinctoria (Rüppell & Leuckart, 1828)
  • Doris tinctoria Rüppell & Leuckart, 1828 (basionym)

Distribution

This species was described from the Red Sea. It also occurs in Oman.[4] It has been reported widely in the tropical Indo-West Pacific but many of the records refer to Goniobranchus reticulatus, Goniobranchus alderi and similarly coloured, undescribed, species.[5] Several of these have been shown to be distinct species by a DNA study.[6]

Description

Goniobranchus tinctorius has a white mantle with an open reticulation of fine red lines. Towards the margin these lines coalesce into red spots and outside this region are isolated red spots and blotches. There is a broad white band followed by a narrow yellow band at the edge of the mantle. The gills are white with two red lines on the outer surface which converge at the tip. The rhinophores have white shafts and red clubs with white edges to the lamellae. The length of the body can vary between 15 mm and 95 mm.[7]

gollark: This is a strong expression of my disapproval. Do you want me to marry you to egoism?
gollark: ++delete <@!341618941317349376> (literally self-proclaimed egoist)
gollark: Ah, THAT explains a lot.
gollark: I doubt it.
gollark: I mean, according to the moral standards they would have followed, yes. It's subjective.

References
  1. Rüppell E. & Leuckart F.S. (1828–1830). Mollusca [in] Atlas zu des Reise im Nordlichen Afrika von Eduard Rüppell. 1. Abth. Zoologie. 5. Neue wirbellose Thiere des Rothen Meers. Frankfurt, H.L. Brönner pp. 1–22, pl. 1–12 [1828], pp. 23–47 [probably 1830], page 32, Plate 9, Figure 4
  2. Bouchet, P. (2012). Goniobranchus tinctorius. 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. Rudman, W.B., 2000 (1 Nov). Comment on Chromodoris tinctoria from Oman by Gordon T. Smith. [Message 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 November 2018) 452 pp. ISBN 1878348671, ISBN 978-1878348678, p. 141-143
  6. Soong, G.Y.; Wilson, N.G.; Reimer, J.D. (2020). "A species complex within the red-reticulate Goniobranchus Pease, 1866 (Nudibranchia: Doridina: Chromodorididae)". Marine Biodiversity. 50 (25). doi:10.1007/s12526-020-01048-w.
  7. 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): 221
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