June 28, 2002
From: Nishina Masayoshi
This animal from Taiwan is Hypselodoris krakatoa Gosliner & Johnson, 1999. Recently Rebecca Johnson the animals in these photographs (Hachijo type), to be H. krakatoa. I hope Rebecca Johnson will say something. It seems there is one color pattern of H. krakatoa in the Indonesia - Malaysia region and another pattern further north [Taiwan, Ryukyu Islands Group and Hachijo Island].
I also suspect my animal that I posted before and you identified as Hypselodoris sp. 6 may be H. krakatoa too.
Date: 9 June, 2002
Location: Hachijo Island Japan
It's common at Hachijo Island.
Masayoshi, N., 2002 (Jun 28) Re: Hypselodoris krakatoa? from Taiwan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7370
I agree that then animal I called Hypselodoris sp. 6 is the same as your animal. In your earlier specimen there was no sign of the white spots which seem to be the link between the Japanese-Taiwan colour form and the much browner Malaysia-Indonesia colour form. Rie Nakano's animals, which I previously doubted were H. krakatoa, show the white spots along the purple longitudinal lines, and are clearly the same 'colour form'.
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