Hypselodoris rudmani

Hypselodoris rudmani is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.[2] This species is named after the well known malacologist William B. Rudman.[3]

Hypselodoris rudmani
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Hypselodoris
Species:
H. rudmani
Binomial name
Hypselodoris rudmani
Gosliner & Johnson, 1999[1]

Distribution

The holotype of this nudibranch was collected at 11 m (36 ft) depth from Philip’s Reef (33°58.326′S 25°40.748′E), Port Elizabeth, Algoa Bay, Cape Province, South Africa. Two additional specimens in the original description were from warmer water sites further north at Park Rynie (30.333811°S 30.735542°E / -30.333811; 30.735542), Natal and Umgazana (31.702024°S 29.415939°E / -31.702024; 29.415939), Eastern Cape, South Africa.[1] A specimen from Pointe Evatra, South Madagascar (24°58.1′S 47°6.1′E) was sequenced for three genes in a landmark study which resulted in the description of 17 new species of Hypselodoris.[4]

Description

Hypselodoris rudmani has a translucent body dotted with white patches, and covered in small blue spots. The gills and rhinophores are white, tipped with orange.[3][5] Hypselodoris rudmani is a member of a large clade that includes Hypselodoris katherinae, Hypselodoris paradisa, Hypselodoris maritima, Hypselodoris skyleri and Hypselodoris bertschi.[4]

This species can reach a total length of at least 25 mm.[3]

References
  1. Gosliner, T.M. & Johnson, R.F. (1999) Phylogeny of Hypselodoris (Nudibranchia: Chromodorididae) with a review of the monophyletic clade of Indo-Pacific species, including descriptions of twelve new species. Zoological Journal of the Linnean Society, 125: 1-114.
  2. MolluscaBase (2018). Hypselodoris rudmani Gosliner & R.F. Johnson, 1999. Accessed on 2019-01-21
  3. Rudman, W.B., 2005 (June 27) Hypselodoris rudmani Gosliner & Johnson, 1999. [In] Sea Slug Forum. Australian Museum, Sydney.
  4. Epstein, H. E.; Hallas, J. M.; Johnson, R. F.; Lopez, A.; Gosliner, T. M. (2018). Reading between the lines: revealing cryptic species diversity and colour patterns in Hypselodoris nudibranchs (Mollusca: Heterobranchia: Chromodorididae). Zoological Journal of the Linnean Society. 2018, XX, 1–74. With 40 figures.
  5. Gosliner, T.M., Behrens, D.W. & Valdés, Á., 2018. Nudibranch and Sea Slug Identification - Indo-Pacific. New World Publications; 2nd Revised, Updated edition. 452 pp. ISBN 1878348671, ISBN 978-1878348678, p. 187
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