Re: Trapania benni? from nthn Mariana Islands

April 9, 2008
From: Yuji Fujie

Dear Dr.Bill,
Here are two photos we thought were Trapania benni but, it looks like Trapania dalva, too.

Locality: LauLau Beach, 10 m, Saipan, Northern Mariana Islands, Pacific Ocean, 08 October 2006, under the dead coral. Length: 5 mm. Photographer: Hikoichiro Matsui.

Would you tell us your idea, please ?
Best regards,
Yuji

ds-with@isletwind.com

Yuji Fujie, 2008 (Apr 9) Re: Trapania benni? from nthn Mariana Islands. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21504

Dear Yuji,

This is a colour form of the newly described Trapania euryeia. It seems the V-shaped white patch on the back of the body, just behind the rhinophores, is a pretty distinctive feature of the species.

Both the species you mention have some colour similarities but T. benni would appear to be a temperate species from sthn Australian waters and T. dalva is from the Caribbean.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Apr 9). Comment on Re: Trapania benni? from nthn Mariana Islands by Yuji Fujie. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21504

Factsheet

Trapania euryeia

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