Noumea nivalis
Baba, 1937

Order: NOTASPIDEA
Suborder: DORIDINA
Family: Chromodorididae

DISTRIBUTION

Known only from Japan and Hong Kong

PHOTO

UPPER: 6 April 1983, Loo Fu Fong, Tolo Channel, Hong Kong, 3-6 m. AM C138519. LOWER: 2 specimens, 10 April 1983, Bate Head, Mirs Bay, Hong Kong, 5-10 m. AM C138520. Photos: Brian Darvell.

Another white chromodorid with a yellow or yellow-orange border. On the inside edge of the yellow border is a band of opaque white spots representing the subepidermal mantle glands. There are usually two or three orange spots on the mantle and sometimes eight or more, but they can be absent. The rhinophores are tipped with orange. The gills are usually orange-tipped but sometimes the orange is absent. Anatomy and taxonomy discussed in Rudman (1985). It grows to 15-20 mm in length.

Reference:
• Baba, K. (1937) Opisthobranchia of Japan (II). J. Dept. Agric. Kyusyu Imp. Univ. 5(7): 289-344. (Pls.1-2)
• Baba, K (1987): Noumea nivalis Baba, 1937 from Fukuura, West Coast of Noto Peninsula, Japan. Janolus, 69: 1.
• Rudman, W.B. 1985. The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: Chromodoris aureomarginata, C. verrieri and C. fidelis colour groups. Zoological Journal of the Linnean Society, 83: 241-299.
• Rudman, W.B. & Darvell, B.W. (1990) Opisthobranch molluscs of Hong Kong. Part 1. Goniodorididae, Onchidorididae, Triophidae, Gymnodorididae, Chromodorididae, (Nudibranchia). Asian Marine Biology, 7: 31-79

Authorship details
Rudman, W.B., 2001 (July 5) Noumea nivalis Baba, 1937. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/noumniva

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