Marianina rosea from Saipan, Marianas Ids

November 1, 2005
From: Yuji Fujie

Dear Sirs,
I think this is possibly as young Flabellina exoptata?
Would you tell me real name ?

Locality: LauLau Beach, Saipan, Northern Mariana Islands. Depth: 12 m. Length: 5 mm. 26 October 2005. Rock. Photographer: Yuji Fujie

Yuji Fujie

dswith@isletwind.com

Yuji Fujie, 2005 (Nov 1) Marianina rosea from Saipan, Marianas Ids. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15127

Dear Yuji,
This is Marianina rosea. One way to tell it is not an aeolid such as Flabellina is to look at the shape of the rhinophores. Marianina rosea is a tritoniid and in that family the rhinophores have a ring of vertical papillae which form a circle around the central stalk, as in your photo. Although the name Marianina sounds appropriate for something from the Mariana Islands, the similarity is a coincidence as this species was first described from New Caledonia. 
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Nov 1). Comment on Marianina rosea from Saipan, Marianas Ids by Yuji Fujie. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15127

Factsheet

Marianina rosea

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