Gosliner in Millen & Gosliner, 1985
Known from both the Atlantic and Indian Ocean coasts of the Cape Peninsula, South Africa.
Brazenhead, Eastern Cape, 25 m, South Africa, July 2001. Size: 2.5cm Photo: Valda Fraser.
Characterised by three brown spots. Although the size of the spots can vary their placing seems to be constant in the specimens that have been studied. Little is known of its natural history other than that it has been found in association with an unidentified white sponge. It grows to at least 25mm long.
Reference: 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. (Figs 1-21.)Authorship details
Rudman, W.B., 2001 (August 1) Aldisa trimaculata Gosliner in Millen & Gosliner, 1985. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/alditrim
August 8, 2001
From: Terry Gosliner
It is great to see that Valda has found Aldisa trimaculata. This is the first record of it since the original description and interestingly the first record on the Indian Ocean coast. I suspected incorrectly that it was an Atlantic endemic. This is clearly not the case.
email@example.comGosliner, T., 2001 (Aug 8) Re: Aldisa trimaculata from Sth Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5026
Thanks for confirming my identification. It is indeed an interesting find.
August 5, 2001
From: Valda Fraser
I found this "new" nudibranch and hope you will be able to identify it.
Locality: Brazenhead, Eastern Cape, 25 m, Sth Africa
Date: July 2001
Fraser, V., 2001 (Aug 5) Aldisa trimaculata from Sth Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/4858
I am pretty sure this is Aldisa trimaculata. Perhaps Terry Gosliner can confirm this for us.