Cuthonella concinna

Cuthonella concinna
	The nudibranch Cuthonella concinna, Strangford Lough, County Down, Northern Ireland.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Order:	Nudibranchia
Suborder:	Cladobranchia
Superfamily:	Fionoidea
Family:	Cuthonellidae
Genus:	Cuthonella
Species:	C. concinna
Binomial name
	Cuthonella concinna; (Alder & Hancock, 1843)[1]
Synonyms
	Eolis concinna Alder & Hancock, 1843; Trinchesia concinna; Cuthona concinna;

Cuthonella concinna is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusk in the family Fionidae.[2]

Distribution

This species was described from Whitley Bay, Northumberland, England. It has been reported from the Northeast Atlantic from Finmarken, Norway south to Normandy, France and in the NW Atlantic from New England as well as from the NE Pacific at Vancouver Island, Canada.[3] In Britain and Ireland it is a northern species, occurring at Skomer Island, Pembrokeshire and in the Irish Sea and Scotland. It is also reported from Iceland.[4][5]

The typical adult size of this species is 10–12 mm.[3]

Cuthonella concinna feeds on the hydroid Sertularia argentea, family Sertulariidae.[4]

Alder J. & Hancock A. (1843). Notice on a British species of Calliopaea d'Orbigny and on four new species of Eolis with observations on the development and structure of the nudibranchiate mollusca. Annals and Magazine of Natural History 12: 233-236
Bouchet, P. (2016). Cuthonella concinna. In: MolluscaBase (2016). Accessed through: World Register of Marine Species on 2016-12-22.
Thompson, T.E. and Brown, G.H. (1984). Biology of Opisthobranch Molluscs, Volume II. The Ray Society. 229 pages 41 plates, 40 figures, page 121.
Picton, B.E. & Morrow, C.C. (2010). Cuthona concinna. [In] Encyclopedia of Marine Life of Britain and Ireland.]
Rudman, W.B. (2006 May 8) Cuthona concinna (Alder & Hancock, 1843). [In] Sea Slug Forum. Australian Museum, Sydney.

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