Scientific Name	Eleutherochir opercularis   Pronounce			by: Po-Feng Lee
Author	(Valenciennes, 1837)	Depth	0 - 18M
Chinese	雙鰭喉褶䲗	Poisonous Fish	No
Family_Chinese	鼠䲗科	Economic Fish	No
Family	F453　Callionymidae	Edible Fish	No	Chinese In Mainland China	雙鰭喉褶䲗
Max Length	11 cm	Aquarium Fish	No	Common Name	老鼠、狗圻
Distribution in World	India Ocean to West Pacific Ocean	Distribution in Taiwan	West、South
Habitats	Benthos、Estuary、Fresh Water、Coastal	Holotype Locality	Mouth of Arian-Coupan R. at Pondicherry, India.
Synonyms	Callionymus opercularis, Pogonymus goslinei
Reference	Fishes of Japan(Nakabo, 2002)；Fishbase(2006)  Cuvier, G. etc. 1837 Nakabo T. 2002 Nakabo T. 2002
Specimen List	ASIZP0067149. ASIZP0067449. ASIZP0802172. ASIZP0802878. ASIZP0912172. ASIZP0912878. NMMBP02056. NTMP1444.
Barcode	2008-08-05,張榮樺,CO1,100%
Common Name	Flap-gilled dragonet
Redlist Status	Not in IUCN Redlist
Characteristic	Body elongate, depressed. Mouth large, expanded laterally. Upper edge of lower lip with many fleshy papillae. Body without lateral fold of skin below lateral line. Interorbital distance more longer than eye diameter. Head and body brown or yellow, belly lighter. Back with small light spots and dark blotches. First dorsal fin black; anal fin whitish; pelvic fins dark and brown or black; second dorsal, caudal, and pectoral fins spotted with dark brown.
habitats	Inhabits shallow sandy and muddy bottoms in the sea, but also enters mouths of rivers and may live even in freshwater.
Distribution	Distributed in the Indo-West Pacific from 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. It is found in southern Taiwanese waters.
Utility	No commercial value.