Scientific Name	Opistognathus castelnaui   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	Bleeker, 1860	Depth	15 - 100M
Chinese	卡氏後頜魚	Poisonous Fish	No
Family_Chinese	後頜魚科	Economic Fish	No
Family	F346　Opistognathidae	Edible Fish	No	Chinese In Mainland China	卡氏後頜鰧
Max Length	25 cm	Aquarium Fish	No	Common Name	後頜鱚、狗旗仔
Distribution in World	India Ocean to West Pacific Ocean	Distribution in Taiwan	South、PonFu、ShaoLiuChew
Habitats	Coral、Coastal、Coral&Sand	Holotype Locality	Singapore
Synonyms	Opisthognathus suluensis
Reference	臺灣魚類誌(沈等, 1993)；Fish of Japan(Nakabo, 2002)  沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002
Specimen List	ASIZP0059492. ASIZP0806558. ASIZP0916558. NMMBP03296. NMMBP05445. NMMBP08525. NMMSTP00245. NTUM04460. NTUM06460.
Barcode	2014-10-30,Kwang-Tsao Shao,CO1,100%
Common Name	Castelnau's jawfish
Redlist Status	Not in IUCN Redlist
Characteristic	Body elongate, slightly compressed. Head large and blunt. Eyes relatively large and high on head. Mouth large; maxilla extending well beyond posterior margin of gill flap. Moderate canine-like teeth in a single row along sides of jaws. Dorsal fin shallowly notched between spinous and soft portions, with XI spines and 14 rays; anal fin with II spines and 14 or 15 rays; caudal fin rounded. Body brown, 2 irregular dark bands along middle of sides. Fins with darker shadings; 7 to 9 large dark blotches along basal third of dorsal fin.
habitats	Found in depths greater than 100 m. Mouthbrooders.
Distribution	Distributed in the Indo-West Pacific, including the Ryukyu Islands, South China Sea and Indonesia. Found in southern Taiwanese waters; Siao Liouciou, southwestern Taiwan, and Penghu Islands, western Taiwan.
Utility	No commercial value.