25050 Eleutherochir opercularis (Valenciennes, 1837) Callionymidae Dragonets Callionymiformes Teleostei Flap-gilled dragonet Indo-West Pacific: Sri Lanka, east coast of India, Andaman and Nicobar islands to western Malaysia (Penang) and Indonesia, east to the Philippines and the Ryukyu Islands, Japan. FW OO851-T 1976 Eleutherochir opercularis FW OO860-T 1992 Eleutherochir opercularis