Chromodoris tenuis

Chromodoris tenuis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Order:	Nudibranchia
Suborder:	Doridina
Superfamily:	Doridoidea
Family:	Chromodorididae
Genus:	Chromodoris
Species:	C. tenuis
Binomial name
	Chromodoris tenuis; Collingwood, 1881[1]

Chromodoris tenuis is a species of colourful sea slug, a marine gastropod mollusk, a nudibranch in the family Chromodorididae. The scientific name of the species was first published in 1881 by Collingwood.[2]

Distribution

This species was described from Fiery Cross Reef, China Sea.[1]

Description

Described by Collingwood as follows:

Length 19 mm (0.75 in) inch. Body long and slender, very attenuated when in motion. Mantle entire, covering the whole body, excepting the posterior portion of the foot; broad and squarish in front, and narrower from behind the tentacles backwards, bluntly pointed posteriorly. Dorsal tentacles short and club-shaped, laminated, the suture anterior. Branchiae small, consisting of seven small and simple leaflets arranged in a circle, the anterior leaflet somewhat larger than the others, and the posterior pair smallest. Foot long and narrow, slightly tubular, projecting beyond the mantle posteriorly.[1]
Colour and general appearance. Mantle opaque white with a slight tinge of yellow, especially on the anterior portion, edged with chrome-yellow, slightly shading off interiorly. The whole mantle is covered with minute roundish spots of carmine, irregularly distributed, absent only from the most anterior portion, the spots varying in size from mere specks to roundish definite spots. Tentacles yellowish, but not so bright as the border of the mantle; the bases whitish. Branchiae pale yellow. Foot edged with chrome posteriorly, like the mantle. Under surface yellowish, foot and mantle with a faint edging of chrome-yellow, the carmine spots showing through at the sides of the head.[1]

It has been suggested that this species is a synonym of Chromodoris aspersa but in view of the discovery that C. aspersa is really a species complex it is possible that C. tenuis can be re-established as a separate species.[3]

gollark: I don't think that's it.

gollark: Hmm.

gollark: ddg! Elisa Milburne

gollark: Basically, the majority of potatOS programs (all user-written ones) run inside a sandbox with (theoretically) no ability to touch the environment tables/filesystems outside the sandbox, but because environment weirdness, potatOS API functions execute outside it, as do PX programs.

gollark: I mean, they have access to the *sandboxed* filesystem.

References

Collingwood, C. 1881. On some new species of nudibranchiate Mollusca from the eastern seas. Transactions of the Linnean Society of London, Zoology, series 2, 2(2):123-140, pls. 9-10, page 130, Plate IX. figs. 27-29.
Caballer, M. (2015). Chromodoris tenuis. Accessed through: World Register of Marine Species on 2015-04-10
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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[CW-1] Collingwood, C. 1881. On some new species of nudibranchiate Mollusca from the eastern seas. Transactions of the Linnean Society of London, Zoology, series 2, 2(2):123-140, pls. 9-10, page 130, Plate IX. figs. 27-29.

[2] Caballer, M. (2015). Chromodoris tenuis. Accessed through: World Register of Marine Species on 2015-04-10

[3] 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.