Cyerce sp from nthn New South Wales
June 28, 2007
From: Denis Riek
Note added 15 September 2008: I have moved this to Cyerce sp. 4 .
Dear Bill,
Here are some images of a Cyerce sp found at Hastings Point, Northern New South Wales. It was found just below low tide and is the first I have seen at this spot. It is quite a delicate looking animal for a habitat that receves plenty of wave action.
Locality: Hastings Point, 1 metre, New South Wales, Australia, Pacific, 30 January 2007, Under rock on rock reef, low tide. Length: 30mm. Photographer: Denis Riek.
Also I have finally gone on line with a site that focuses on Sea Slugs and other marine invertebrates from Northern New South Wales - http://www.roboastra.com
Cheers
Denis
dwriek@optusnet.com.au
Riek, D.W., 2007 (Jun 28) Cyerce sp from nthn New South Wales. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19461
Dear Denis,
When I first saw your photo I thought of Polybranchia orientalis, but as your photo of the underside shows, the anterior part of the foot is separated from the rest of the foot which is a character of Cyerce. Another difference between the two is the lack of digestive gland branches in the cerata of species of Cyerce which is also the case in your animal. The brown branching we can see in your photos is a pigment pattern on the skin which links it to the animal I am calling Cyerce sp. 1. Although the pattern is not so complete in your animal I suspect that is what it is.
Best wishes,
Bill Rudman
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