Abstract
Two species of barnacles (Cirripedia) have been collected from Conic Island Cave, Hong Kong, at depths of between −11.8 and −18.2 m C.D. These are Armatobalanus quadrivittatus (Darwin) and Tetraclitella pilsbryi (Utinomi). Neither is a cave endemic. Armatobalanus quadrivittatus ranges widely throughout the Indo‐West Pacific and T. pilsbryi is restricted to the Sino‐Japanese region (the East and South China Seas and waters of southern Japan) although both are typical of hypobiotic niches. Armatobalanus quadrivittatus has not hitherto been recorded from Hong Kong and its occurrence here brings the local total of barnacle species to 60.
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Acknowledgements
The authors are grateful to Paul Hodgson, Dr Graham Blackmore (The Swire Institute of Marine Science), Paul Clark and Dr Nick Evans (The Natural History Museum, London) for collecting the material herein reported upon and to Prof. P.S. Rainbow (The Natural History Museum, London) for commenting on the first draft of the manuscript of this paper.