Re: Ercolania sp.? from Hachijo Is, Japan

March 25, 2005
From: Kazuhiro Hiroe

Dear Dr. Rudman and Dr. Jensen,

Thank you very much for your valuable opinions [messages #13411, #13413]. This attached photograph is a juvenile Stiliger smaragdinus (3mm long). I found it on green alga Caulerpa okamurae.

Best Regards,
Kazuhiro Hiroe

aquablue@cello.ocn.ne.jp

Hiroe, K., 2005 (Mar 25) Re: Ercolania sp.? from Hachijo Is, Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13419

Dear Kazu,
Thanks for the photo of a juvenile Stiliger smaragdinus. It certainly suggests your earlier animal is Ercolania coerulea, as Kathe Jensen said in her comments, although I think I can see branched ducts of the digestive gland in the rhinophores in the close-up alongside. One obvious difference seems to be that in Stiliger smaragdinus the inner cerata are much larger than the outer ones, while in Ercolania coerulea they are all fairly uniform in size.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Mar 25). Comment on Re: Ercolania sp.? from Hachijo Is, Japan by Kazuhiro Hiroe. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13419

Factsheet

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