Goniobranchus petechialis

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

Goniobranchus petechialis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Goniobranchus
Species:
G. petechialis
Binomial name
Goniobranchus petechialis
(Gould, 1852)[1]
Synonyms[2]
  • Chromodoris petechialis (Gould, 1852)
  • Doris petechialis Gould, 1852 (basionym)

Distribution

This species was described from Hawaii.

Description

This species is very distinctively coloured. It has apparently only been found twice, first in 1838-42 and then in 1959, when it was photographed. The mantle has a creamy straw-coloured background with an orange border and there are irregularly shaped red spots all over the back. The gill leaves are white with red edging and the rhinophore clubs are bright orange.[4] The body length reaches 40 mm.[5][6]

References
  1. Gould, A. A. (1852). Mollusca and shells. In: United States Exploring Expedition during the years 1838, 1839, 1840, 1841, 1842 under the command of Charles Wilkes. Boston. 12: 1-510; atlas 1856: 1-16, pages 296-297.
  2. MolluscaBase (2018). Goniobranchus petechialis (Gould, 1852). Accessed on 2019-01-13.
  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., 2001 (March 28) Chromodoris petechialis (Gould, 1852). [In] Sea Slug Forum. Australian Museum, Sydney.
  5. Rudman W.B. (1983) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: Chromodoris splendida, C. aspersa and Hypselodoris placida colour groups. Zoological Journal of the Linnean Society 78: 105-173. page(s): 167
  6. 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): 228
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