Thuridilla cf. neona? from Great Barrier Reef

October 26, 2005
From: Daniel Foote


Dear Bill,
Thanks very much for the promptness of your replies [message #14910], it is much appreciated. I have been out at sea for the last 2 weeks so haven't been able to reply before now. Here are the photos that you requested. I hope they can help you. It is the same animal as before.
Yours Sincerely
Daniel Foote

pelagicdan@yahoo.co.uk

Foote, D.J., 2005 (Oct 26) Thuridilla cf. neona? from Great Barrier Reef. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15079

Note added 31 Oct 2005: This is most probably a colour variant of  T. neona. See message #15140.

Thanks Daniel,
It's just what I needed, a good photo of the head. I am not sure that it solves the indentity of your animal but it may have given us some clues. As far as I can see, no other species has a blue head with a yellow median stripe like yours. However Thuridilla neona, which was your original suggestion, has an orange diagonal band across each rhinophore with a black line on each side and a blue band on the lower side - which could be equivalent to the yellow band, bordered with black at the base of each rhinophore. The blue patches on the parapodia are rather different and there is no hint of green in T. neona but that could be a variation. At this stage T. neona is known only from the Hawaiian region. There is also the possibility that it is a new species, so I think I will move it to a separate pages as Thuridilla sp. 4.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Oct 26). Comment on Thuridilla cf. neona? from Great Barrier Reef by Daniel Foote. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15079

Factsheet

Thuridilla neona

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