Aldisa smaragdina from Spain (1)

November 13, 2002
From: Luis Sanchez Tocino

Dear Bill,
Here are some photos of Aldisa smaragdina. The photos of Aldisa smaragdina in Alma Sánchez's message are actually of A. banyulensis. I have sent photos of the tubercles in a separate message.

To help compare this species with Aldisa banyulensis here are some measurable details which differ between the two species.
18mm long - 6 gills - 7 rhino lamellae
13mm long - 5 gills - 9 rhino lamellae
10mm long - 6 gills - 7 rhino lamellae

A, Specimen 18 mm long alive. Cantarriján, Almuñecar, Granada, Spain. Depth 5m. 14 June 2002. B, Specimen 5 mm long alive. Cantarriján, Almuñecar, Granada, Spain. Depth 5m. 3 March 1999. C, Specimen 20 mm long alive. Velilla, Almuñecar, Granada, Spain. Depth 9m. 14 October 1996. D, Underside of anterior end showing flattened triangular oral tentacles. E,F. Lateral and posterior view of rhinophore. G,H. Lateral and dorsal view of gills. Photos: Luis Sanchez Tocino.

Best wishes,
Luis

lstocino@ugr.es

Tocino, L.S., 2002 (Nov 13) Aldisa smaragdina from Spain (1). [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8358

Thanks Luis,
These photos of A. smaragdina and the photos you have sent separately of Aldisa banyulensis are helpful in differentiating between these two species. However I still would be interested to know about the differences between A. smaragdina and A. binotata.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Nov 13). Comment on Aldisa smaragdina from Spain (1) by Luis Sanchez Tocino. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8358

Factsheet

Aldisa smaragdina

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