Three-spot nudibranch

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Three-spot nudibranch
Aldisa trimaculata.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Cadlinidae
Genus: Aldisa
Species:
A. trimaculata
Binomial name
Aldisa trimaculata
Gosliner in Millen & Gosliner, 1985 [1]

The three-spot nudibranch, scientific name Aldisa trimaculata, is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Cadlinidae.

Contents

Distribution

This demersal species has so far only been found around the southern African coast, on both sides of the Cape Peninsula, in 10–30 m of water. It may possibly be endemic to that area. [2]

Two of the dotted spots of the three-spot nudibranch Aldisa trimaculata nov07.jpg
Two of the dotted spots of the three-spot nudibranch

Description

The three-spot nudibranch is a tan-coloured dorid with a warty skin and three brown spots, which are themselves spotted with lighter patches. The animal has eight gills arranged around the anus and its rhinophores are perfoliate. It may reach a total length of 40 mm. [3] [4]

Ecology

This species feeds on sponges.

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References

  1. 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. 84: 195-233.
  2. Gosliner, T.M. 1987. Nudibranchs of Southern Africa ISBN   0-930118-13-8
  3. Zsilavecz, G. 2007. Nudibranchs of the Cape Peninsula and False Bay. ISBN   0-620-38054-3
  4. Rudman, W.B., 2001 (August 1) Aldisa trimaculata Gosliner in Millen & Gosliner, 1985. [In] Sea Slug Forum. Australian Museum, Sydney.