Asteronotus cespitosus

Asteronotus cespitosus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Order:	Nudibranchia
Suborder:	Doridina
Superfamily:	Doridoidea
Family:	Discodorididae
Genus:	Asteronotus
Species:	A. cespitosus
Binomial name
	Asteronotus cespitosus; van Hasselt, 1824[1]
Synonyms
	Actinodoris mauritiana Quoy, H.E.T. & J.P. Gaimard, 1832; Asteronotus bertrana Bergh, L.S.R., 1878; Asteronotus brassica Allan, J.K., 1932; Asteronotus fuscus O'Donoghue, C.H., 1924; Asteronotus hemprichi Ehrenberg, 1831; Asteronotus madrasensis O'Donoghue, C.H., 1932; Asteronotus wardianus Allan, J.K. 1932; Doris cerebralis Gould, A.A., 1852; Doris crescentica Collingwood, C., 1881; Doris exanthemata Kelaart, E.F., 1858; Doris foetida Pease, W.H., 1860; Doris mabilla "Bergh, L.S.R." Abraham, P.S., 1877; Doris vesiculosa Ehrenberg, C.G. MS; Jorunna marchadi Risbec, 1956;

Asteronotus cespitosus is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Discodorididae.[2]

Distribution

This is a widespread Indo-West Pacific marine species which occurs in the Red Sea and from the Indian Ocean coasts of Tanzania, Madagascar, Seychelles and Mauritius to Indonesia, the Philippines, New Guinea, Australia[3][4][5] and out into the Pacific Ocean as far as Hawaii and Japan.[6]

Description

The body of this nudibranch grows to a length of 250 mm. It is distinctive, with ridges of large tubercles running down centre of body, and a series of tubercles running parallel to the margin. The body is firm leathery. Its colour varies from blackish grey to brown, with paler tubercles and patches of white. This provides the species with camouflage well suited to its preferred habitat. The egg ribbon, in contrast, is pink.[2]

Ecology

Asteronotus cespitosus feeds on sponges.

References

Hasselt, J.C. van (1824). Uittreksel mit einen brief van Dr J.C. Hasselt, aan Prof van Swinderen. Algemene Konst-en Letterbode 1824 2: 20–24
Bouchet, P. (2016). Asteronotus cespitosus (van Hasselt, 1824). In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-10-24.
Allan, J.K. 1932. Australian nudibranchs. The Australian Zoologist 7(2): 87–105
Wells, F.E. & Bryce, C.W. 1993. Sea Slugs of Western Australia. Perth : Western Australian Museum 184 pp., p.96-97.
Marshall, J.G. & Willan, R.C. 1999. Nudibranchs of Heron Island, Great Barrier Reef. Leiden : Backhuys 257 pp.
Gosliner T.M., Behrens D.W. & Valdés A. (2008) Indo-Pacific nudibranchs and sea slugs. Sea Challengers Natural History Books and California Academy of Sciences. 426 pp., page 173.

External links

"Asteronotus cespitosus". Gastropods.com. Retrieved 15 January 2019.

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[1] Hasselt, J.C. van (1824). Uittreksel mit einen brief van Dr J.C. Hasselt, aan Prof van Swinderen. Algemene Konst-en Letterbode 1824 2: 20–24

[WoRMS-2] Bouchet, P. (2016). Asteronotus cespitosus (van Hasselt, 1824). In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-10-24.

[3] Allan, J.K. 1932. Australian nudibranchs. The Australian Zoologist 7(2): 87–105

[4] Wells, F.E. & Bryce, C.W. 1993. Sea Slugs of Western Australia. Perth : Western Australian Museum 184 pp., p.96-97.

[5] Marshall, J.G. & Willan, R.C. 1999. Nudibranchs of Heron Island, Great Barrier Reef. Leiden : Backhuys 257 pp.

[6] Gosliner T.M., Behrens D.W. & Valdés A. (2008) Indo-Pacific nudibranchs and sea slugs. Sea Challengers Natural History Books and California Academy of Sciences. 426 pp., page 173.