Noumea subnivalis? from Japan

August 13, 2001
From: Nishina Masayoshi

Dear Dr.Rudman,
Here are photos of Noumea subnivalis.

Date:4 Aug 2001
Location:Shibasaki Hayama,Japan
Comment:uncommon here

Photo by Chikako.

Best Regards,
Nishina Masayoshi

Nishina, M., 2001 (Aug 13) Noumea subnivalis? from Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Nishina,
Thanks to you and Chikako for these photos. I think these are Noumea nivalis Baba, 1937. In N. subnivalis Baba, 1987, the mantle edge is reported by Baba to be bicoloured with an orange-yellow outer band and an inner yellow band. The rhinophore clubs are reddish purple at the tip and white below. The gills are usually all white but can sometimes have one gill which is yellow-tipped.

I am posting some photos of Noumea nivalis from Hong Kong in a separate message.

• Baba, K (1987) A new species of Noumea from Ogi, Toyama Bay and vicinity, Japan (Nudibranchia: Chromodorididae). Venus, The Japanese Journal of Malacology, 46(1): 19-24.

Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Aug 13). Comment on Noumea subnivalis? from Japan by Nishina Masayoshi . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Noumea nivalis

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