Re: Noumea subnivalis?

August 21, 2001
From: Yasuhiro Shirai


Dear Bill,
Today,I send two image files for reference.

UPPER: This is another photo of the animal I sent a photo of in my earlier message. [Nansei area, Kii Peninsula, Japan, July, 2000 - Depth: 10m
Size: 30mm].

LOWER: This is another individual which I think is the same4 species, but it has yellow spots on his back. It is from
the Nantoh area, Kii Peninsula, central Japan. Depth 18m; Length 25mm; August 1999.

Sincerely.
Yasuhiro Shirai

yasuhiro@sea-slug.com

Shirai, Y., 2001 (Aug 21) Re: Noumea subnivalis?. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5107

Dear Yasuhiro,
Thanks for these photos. It certainly seems that both your animals have the typical mantle edge of Noumea subnivalis where the colour gradually changes from red-orange on the outside to yellow on the inside. At least in the upper photo there are distinct signs of the mantle papillae which are so clear in Kahoru Imamoto's photo in Nishina Masayoshi's recent message.

If they are indeed the same, and I think they are, it seems Noumea subnivalis can sometimes have yellowish diffuse spots on the mantle, like Noumea nivalis.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Aug 21). Comment on Re: Noumea subnivalis? by Yasuhiro Shirai. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5107

Factsheet

Noumea subnivalis

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