Chromodoris colemani

Chromodoris colemani is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.[2]

Chromodoris colemani
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Chromodoris
Species:
C. colemani
Binomial name
Chromodoris colemani
Rudman, 1982[1]

Distribution

This species was described from Lizard Island, Queensland, Australia. It has been reported from Japan, the Marshall Islands, the Philippines and Western Australia.[3]

Description

Chromodoris colemani has a white mantle with typically five, thin, longitudinal, black lines interspersed with diffuse light brown lines. The two outer lines start in front of the rhinophores and run parallel to the mantle rim, meeting behind the gills but usually not joining. The mid dorsal line starts as a circular patch in front of the rhinophores and runs to the gills. There is a broad submarginal band of pale orange.[1] Animals from the Marshall Islands are the best fit with the original description. They suggest that the area covered with black lines can be pale blue and the lines can break into dashes and have a marginal rather than submarginal orange border to the mantle.[4] There is a suggestion that this species can mimic Chromodoris westraliensis[5] but all animals from the western Australian and Philippines areas are a poor fit for the original description.

References
  1. Rudman W.B. (1982) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: Chromodoris quadricolor, C. lineolata and Hypselodoris nigrolineata colour groups. Zoological Journal of the Linnean Society 76: 183-241. page(s): 231
  2. Caballer, M. (2015). Chromodoris colemani Rudman, 1982. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-11-20
  3. Rudman, W.B., 1998 (September 10) Chromodoris colemani Rudman, 1982. [In] Sea Slug Forum. Australian Museum, Sydney.
  4. Johnson, S. Chromodoris colemani Underwater Kwajalein, accessed 2019-01-25.
  5. Layton, K. K.; Gosliner, T. M.; Wilson, N. G. (2018). Flexible colour patterns obscure identification and mimicry in Indo-Pacific Chromodoris nudibranchs (Gastropoda: Chromodorididae). Molecular Phylogenetics and Evolution. 124: 27-36.
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