Scientific Name
Opistognathus evermanni  
Opistognathus evermanni艾氏後頜魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Jordan & Snyder, 1902) Depth 10 - 50M
Chinese 艾氏後頜魚 Poisonous Fish No 
Family_Chinese 後頜魚科 Economic Fish No 
Family F346 Opistognathidae Edible Fish No  Chinese In Mainland China 艾氏後頜鰧 
Max Length 11 cm  Aquarium Fish No  Common Name 後頜鱚、狗旗仔 
Distribution in World Japan to South China Sea   Distribution in Taiwan North East 
Habitats Coral、Coastal、Coral&Sand  Holotype Locality Kii, Japan 
Synonyms Gnathypops evermanni   
Reference 臺灣魚類誌(沈等, 1993);Fish of Japan(Nakabo, 2002)  Jordan, D. S. etc. 1902 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 
Specimen List ASIZP0066959.  
Common Name Evermann's jawfish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body elongate, slightly compressed. Head large and blunt. Eyes relatively large and high on head. Mouth large; Posterior end of upper jaw not reaching opercle. 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 10 or 11 rays; anal fin with II spines and 10 rays; caudal fin pointed. Area before dorsal fin covered with scales. Body pale yellowish brown, head brown, and several irregular streak on sides; dorsal and anal fins with a broad black band and margin; pelvic fin with black marking; caudal with two dark bands.
habitats Rare species. Mouthbrooders. 
Distribution Distributed in the western Pacific from Japan to the South China Sea. It is very rare and only found in northern Taiwanese waters. 
Utility No commercial value.