Goniodoris joubini from Hong Kong

February 6, 2002
From: Bill Rudman & Brian Darvell

Here is some information and photos on Goniodoris joubini from Brian Darvell's Hong Kong collections.

Characterized by the brown mantle covered in white specks. Around the edge of the mantle is a translucent white band spotted with yellow and dark brown. The foot and sides of the body are dark brown with white speckling. Japanese specimens have been reported to grow to 20 mm long (Abe 1964) and Hong Kong specimens were 14 mm long preserved. Previously identified as G. glabra it is now considered synonymous with G. joubini Risbec, 1928 which was described from New Caledonia (Risbec 1928: 175-77, fig. 52, pl. 5, fig. 2) and more recently reported from Australia (Willan and Coleman 1984: 18-19).

PHOTO:
AM C139213, 14 April 1983, Site 2.32, Round Is. (E), Mirs Bay, 3-10 m, Hong Kong.

Hong Kong Collection Records:
AM C139212, 1 April 1983, Site 4.60, Kong Chau (NW), Mirs Bay, 5-10 m. AM C139213, 14 April 1983, Site 2.32, Round Is. (E), Mirs Bay, 3-10 m. AM C150306, 8 April 1986, Site 8.69, Long Ke Wan (N), intertidal. AM C150307, 14 April 1986, Site 4.8, Breaker Reef, Mirs Bay, 5 m. Depth range: 0-10m.

Reference:
• 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

Best wishes,
Bill Rudman & Brian Darvell

Rudman, W.B. & Darvell, B.W., 2002 (Feb 6) Goniodoris joubini from Hong Kong. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6004

Factsheet

Goniodoris joubini

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