Hypselodoris purpureomaculosa from Nth Borneo [2]

January 18, 2007
From: Richard Swann

Re: message #19243

Hi again Bill
I just dug out a couple of shots I took on 6 July 2006 at approx 12 m. I was in the same park but off Mamutik island (less than half a kilometer from the last pics I sent ).

Locality: off Mamutik island , Tunku Abdul Rahman Park, Kota Kinabalu, 12 meters, Sabah, Borneo, South China Sea, 6 July 2006. Photographer: Richard Swann.

Most of the corals here are close to the sandy substrate but i only ever see them on the corals never on the sand.


Thanks again for your time, hope you find it of interest
Regards
Richard

richard@downbelow.co.uk

Swann, R., 2007 (Jan 18) Hypselodoris purpureomaculosa from Nth Borneo [2]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19245

Dear Richard

Thanks for another record of Hypselodoris purpureomaculosa. Although this doesn't show the animal 'doing anything' like your earlier photo, it shows the distribution of the mantle glands around the edge of the mantle. If you look carefully you can see opaque whitish spots under the orange band. In their comprehensive review of Hypselodoris in the Indo-West Pacific, Gosliner & Johnson (1999) suggested that there were quite marked differences in the distribution of these mantle glands in different species. In this species they described a pattern of small glands, all of similar size, closely packed and distributed evenly all around the mantle edge. Your photo seems to reflect that description very well.

  • Gosliner, T.M. & Johnson, R.F. (1999) Phylogeny of Hypselodoris (Nudibranchia: Chromodorididae) with a review of the monophyletic clade of Indo-Pacific species, including descriptions of twelve new species. Zoological Journal of the Linnean Society, 125: 1-114.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Jan 18). Comment on Hypselodoris purpureomaculosa from Nth Borneo [2] by Richard Swann. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19245

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Hypselodoris purpureomaculosa

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