Mexichromis similaris

Mexichromis similaris is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.[2][3]

Mexichromis similaris
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Mexichromis
Species:
M. similaris
Binomial name
Mexichromis similaris
(Rudman, 1986)[1]
Synonyms[2]
  • Durvilledoris similaris Rudman, 1986 (basionym)

Distribution

This nudibranch is found in the tropical Western Pacific Ocean.[4]

Description

Mexichromis similaris has a pale-lilac or violet body, with pale-orange gills and rhinophores. The mantle is edged with a white band, and there is a long white line running down its dorsum. This species is easily confused with other similarly coloured nudibranchs, especially Hypselodoris shimodaensis and Mexichromis trilineata.[4][5][6][7]

This nudibranch can reach a total length of at least 14 mm,[4] and like all Chromodorids, feeds on sponges.[8]

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References
  1. Rudman, W.B. (1986) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: Noumea purpurea and Chromodoris decora colour groups. Zoological Journal of the Linnean Society 86(4): 309-353
  2. Bouchet, P. (2012). Mexichromis similaris. Accessed through: World Register of Marine Species at on 2012-05-28
  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., 1999 (August 13) Durvilledoris similaris Rudman, 1986. [In] Sea Slug Forum. Australian Museum, Sydney.]
  5. Rudman W.B. (1990) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: further species of Glossodoris, Thorunna and the Chromodoris aureomarginata colour group. Zoological Journal of the Linnean Society 100: 263-326 page(s): 287
  6. Debelius, H. & Kuiter, R.H. (2007) Nudibranchs of the world. ConchBooks, Frankfurt, 360 pp. ISBN 978-3-939767-06-0 page(s): 201
  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): 256
  8. Rudman W.B. & Bergquist, P.R., 2007. "A review of feeding specificity in the sponge-feeding Chromodorididae (Nudibranchia: Mollusca). Molluscan Research 27(2): 60–88.
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