Ryukyu Islands, Okinawa Island, Horseshoe Cliffs, 1 Km WNW of Onna Village/Japan/Pacific Ocean (1987, USNM E 44959, US National Museum of Natural History 2008); Hong Kong/China/South China Sea (Mladenov,and Emson 1992) Population size-structure and the relationship between body size and fission in the brittle star Ophiactis savignyi (Echinodermata: Ophiuroidea) from Hong Kong. AU: Mladenov,-Philip-V; Emson,-Ronald-H BK: Morton, Brian [Ed.]. The marine flora and fauna of Hong Kong and southern China 3. Volume 1: introduction, taxonomy and ecology. Proceedings of the Fourth International Marine Biological Workshop: The Marine Flora and Fauna of Hong Kong and Southern China, Hong Kong, 11-29 April 1989. Hong Kong University Press, Hong Kong. 1992: i-xxx, 1-526. Chapter pagination: 447-451.