A sea slug (Aldisa zetlandica)
|Researched by||Natalie Sweet||Refereed by||Admin|
|Authority||(Alder & Hancock, 1854)|
|Other common names||-||Synonyms||-|
Recorded distribution in Britain and IrelandReported from Shetland, western Scotland and the west coast of Ireland.
Global distributionReported from Shetland south to the Azores.
HabitatFound subtidally, this species was originally found through dredging in deep water in Shetland. May occur in depths from 25 to 1900 m but mainly between 70 to 320 m. Also reported from sponge rich areas amongst Axinellid sponges.
- White-translucent body with white specks
- Rounded profile
- 5 bushy gills
- Dorsum covered with large and small conical tubercles
- Foot is more elongate and narrower than other Aldisa species
Additional informationNo text entered
Howson, C.M. & Picton, B.E., 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]
Millen, S.V. & Gosliner, T.M., 1985. Four new species of dorid nudibranchs belonging to the genus Aldisa(Mollusca: Opisthobranchia), with a revision of the genus. Zoological Journal of the Linnean Society
Picton, B. E. & Morrow, C.C., 1994. A Field Guide to the Nudibranchs of the British Isles. London: Immel Publishing Ltd.
Picton, B.E. & Costello, M.J., 1998. BioMar biotope viewer: a guide to marine habitats, fauna and flora of Britain and Ireland. [CD-ROM] Environmental Sciences Unit, Trinity College, Dublin.
Thompson, T. E. & Brown, G. H., 1976. British Opisthobranch Molluscs. London: Academic Press. [Synopses of the British Fauna, no. 8.]
Thompson, T.E. & Brown, G.H., 1984. Biology of Opisthobranch Molluscs, vol. II. London: Ray Society.
WoRMS 2007. The World Register of Marine Species (WoRMS). http://www.marinespecies.org, 2008-10-31
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Last Updated: 24/07/2008