Aeolidiella chromosoma or S. neapolitana

August 8, 2005
From: Nestor E. Ardila E.


Dear Bil,

I send a picture of two animals collected in Santa Marta area Colombia.
I feel that this 'morph' looks very like the animal from Japan which has been identified as Spurilla or better Aeolidiella chromosoma. Although this species A. chromosoma (Cockerell & Eliot, 1905) is originally described from California.
I haven't dissected this animals yet, but I think so is necessary a good review of this species, in order to determine if this species have amphiamerican distribution or circumtropical...or if chromosoma is a synomym of S. neapolitana....?????

Locality: Neguanje Bay, Santa Marta, COLOMBIA, Caribbean Sea. Depth: 5 m. Length: 25 mm. artificial collectors of bivalves. Photographer: Nestor Ardila

Nestor Ardila

neardila@yahoo.com

Ardila, N. E., 2005 (Aug 8) Aeolidiella chromosoma or S. neapolitana. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14490

Dear Nestor,
Thanks for the photos and I agree with the many question marks. Your animal certainly looks like some of the Japanese animals - but also like others we have on the Forum from the Caribbean. Your animal doesn't seem to show any signs of digestive gland branching on the head and skin outside the cerata which is what you would expect in S. neapolitana. I agrees one work needs to be done on these animals but it needs to be comparative work on all the 'forms' from both oceans. I'll put your animal on the Spurilla neapolitana page - but not with any great conviction
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Aug 8). Comment on Aeolidiella chromosoma or S. neapolitana by Nestor E. Ardila E.. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14490

Factsheet

Spurilla neapolitana

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