Pleurobranchus mamillatus from South Africa

March 3, 2010
From: Neil Wiltshire

Dear Mr Rudman,

On a recent dive I saw a number of unusual sea slugs which seemed to be from two different species.

Please could you help with their identification (I will send a separate message for the other specimen)z[#23284]

I think they are pleurobranchs, but am not sure of this or the species.

Locality: Unnamed reef near Aliwal Shoal, off Umkomaas, south of Durban, 25 metres, KwaZulu-Natal south coast, South Africa, Indian Ocean, 24 January 2010, Flat sandy bottom, on edge of reef. Length: 150 mm. Photographer: Neil Wiltshire.

Thank you for a wonderful website, and, in anticipation, for your help.

Best regards,
Neil

neilw@fcraft.co.za

Wiltshire, N.I., 2010 (Mar 3) Pleurobranchus mamillatus from South Africa . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23283

Dear Neil,

This is Pleurobranchus mamillatus. In some specimens there are traces of a pinkish line around the base of the pointed tubercles. It seems to be quite closely related to the Mediterranean species P. testudinarius in which the pinkish line around the tubercles is usually much more prominent.

Best wishes,
Bill Rudman

Rudman, W.B., 2010 (Mar 3). Comment on Pleurobranchus mamillatus from South Africa by Neil Wiltshire. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23283

Factsheet

Pleurobranchus mamillatus

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