Re: Colour variation in Chromodoris splendida

November 14, 2006
From: Rebecca Johnson

Concerning message #18180:

Hi Bill,
Welcome back. Although, this is a huge geographic stretch and highly improbable, unless there have been confused reports, this animal reminds me of Noumea subnivalis. It looks especially like one of Nishina's photos on the N. subnivalis species page. It has the strange textured mantle, with the small, translucent spots and similar rhinophores. It is also really small, around half the size of most Chromodoris splendida on it's species page.

Any thoughts on the possibility it is a Noumea? I can't shake the idea that I have seen it before.

Thanks for entertaining my musings,
Rebecca

rjohnson@calacademy.org

Johnson, R.F., 2006 (Nov 14) Re: Colour variation in Chromodoris splendida. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18280

Dear Rebecca,

Some of these groups of similarly coloured species are difficult, and the C. splendida - C. verrieri group is a good example. The reddish colour on the gills of Bruce's animal don't support the Noumea subnivalis suggestion because as far as I know that species has pure white gills. Sometimes I think we have to settle for a 'best guess'. Although dissection would be able to determine a generic placement for the specimen, anatomy alone doesn't always give us a convincing answer at the species level. - Despite that, your musings are always welcome

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Nov 14). Comment on Re: Colour variation in Chromodoris splendida by Rebecca Johnson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18280

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