Chromodoris fidelis from Hong Kong

January 28, 2002
From: Bill Rudman & Brian Darvell


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

One of a group of white species with orange mantle border. Characterized by black gills and rhinophores and red or purple patches on mantle on the inside edge of the orange border. Anatomy and taxonomy reviewed recently (Rudman 1985). Grows to 26 mm in length. It is reported by Johnson and Boucher (1983) to feed on the purple sponge Aplysilla violacea Lendenfield, 1883, in the Marshall Islands.

PHOTO:
Upper: AM C142951, 2 specimens, 22 July 1984, Site 2.67, Kai Kung Tau, Kat 0 Chan, Mirs Bay, [depth not known], Hong Kong.
Lower: AM C134758, 2 specimens, 25 July 1982, Site 1.4, Ngo Mei Wan, Crescent Is., Mirs Bay, 9 m, Hong Kong. Photos: Brian Darvell.

Hong Kong Collection Records:
AM C134758, 2 specimens, 25 July 1982, Site 1.4, Ngo Mei Wan, Crescent Is., Mirs Bay, 9 m. AM C137063, 10 October 1982, Site 1.34, Tsing Chau, Crooked Harbour, 6 m. AM C142951, 2 specimens, 22 July 1984, Site 2.67, Kai Kung Tau, Kat 0 Chan, Mirs Bay, [depth not known]. AM C142952, 2 specimens, 29 July 1984, Site II. 1 17, Duck Rocks (N), Port Shelter, 9 m. Depth range: 6-9 m.

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 (Jan 28) Chromodoris fidelis from Hong Kong. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6059

Factsheet

Chromodoris fidelis

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