Scientific Name
Opistognathus variabilis
Opistognathus variabilis多彩後頜魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author Smith-Vaniz, 2009 Depth 0.5 - 37M
Chinese 多彩後頜魚 Poisonous Fish No 
Family_Chinese 後頜魚科 Economic Fish No 
Family F346 Opistognathidae Edible Fish No  Chinese In Mainland China 多彩後頜鰧 
Max Length 9.6 cm  Aquarium Fish No  Common Name 後頜鱚、狗旗仔 
Distribution in World Taiwan   Distribution in Taiwan LanI Is. 
Habitats Coral、Coastal、Coral&Sand  Holotype Locality Tanjung Bobo (site 2), 1°02'N, 127°23'E, western Halmahera, depth 7 meters 
Synonyms Opistognathus solorensis, Opistognathus sp., Opistognathus sp. nov. A, Opistognathus sp. nov. B   
Reference   沈世傑 編 Shih-Chieh Shen ed. 1993 陳春暉 2004 Smith-Vaniz, W. 2009 陳正平, 邵廣昭, 詹榮桂, 郭人維, 陳靜怡 2010 
Specimen List ASIZP0056989Paratype. ASIZP0806531. ASIZP0916531.  
Barcode2014-10-30,Kwang-Tsao Shao,CO1,100%
Common Name 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 14 rays; anal fin with II spines and 14 rays; caudal fin pointed. Area before dorsal fin covered with scales. Body yellowish brown, head brown, and several irregular darn brown streak on sides forming a network pattern. Fins pale yellowish brown; dorsal and anal fins with 2-3 series of white spots; and caudal with 4-5 series of white spots.
habitats Occur in relatively shallow depths on sandy substrates adjacent to coral reefs. 
Distribution Known only found in Lanyu, southeastern Taiwan. 
Utility No commercial value.