Risbecia nyalya

Risbecia nyalya is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.[2]

Risbecia nyalya
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Risbecia
Species:
R. nyalya
Binomial name
Risbecia nyalya
(Marcus & Marcus, 1967)[1]
Synonyms[2]
  • Chromodoris nyalya Ev. Marcus & Er. Marcus, 1967 (Basionym)
  • Hypselodoris nyalya (Ev. Marcus & Er. Marcus, 1967)

Distribution

This nudibranch is found in the Caribbean.

Description

Risbecia nyalya has a blue or purple body with a white and orange-yellow lined mantle. The gills and rhinophores are purple or blue.

The maximum recorded length is 35 mm.[3]

Habitat

Minimum recorded depth is 2 m.[3] Maximum recorded depth is 7 m.[3]

It feeds on sponges.[4]

References

  1. Sea Slug Forum
  2. Caballer, M. (2011). Risbecia nyalya (Ev. Marcus & Er. Marcus, 1967). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=420594 on 2011-03-03
  3. Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
  4. "The Sea Slug Forum - Hypselodoris nyalya". 9 June 2010.

Further reading

  • Ortea, J., Valdes, A. & Garcia-Gomez, J.C. (1996) Review of the Atlantic species of the Family Chromodorididae (Mollusca: Nudibranchia) of the blue chromatic group. Avicennia (Suppl. 1): 1-160.
  • Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas
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