Scientific Name
Opistognathus hopkinsi  
Opistognathus hopkinsi霍氏後頜魚 
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Jordan & Snyder, 1902) Depth 20 - 100M
Chinese 霍氏後頜魚  Poisonous Fish No 
Family_Chinese 後頜魚科 Economic Fish No 
Family F346 Opistognathidae Edible Fish No  Chinese In Mainland China 霍氏後頜鰧 
Max Length 10.7 cm  Aquarium Fish No  Common Name 後頜鱚、狗旗仔 
Distribution in World North West Pacific Ocean   Distribution in Taiwan North East 
Habitats Coral、Coastal  Holotype Locality Misaki, Kanagawa Pref., Sagami Sea, Japan 
Synonyms Gnathypops hopkinsi   
Reference Fish of Japan(Nakabo, 2002);Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text).   Jordan, D. S. etc. 1902 Ochiai, A. etc. 1963 Nakabo T. 2002 Nakabo T. 2002 
Specimen List ASIZP0061792.  
Common Name Hopkins'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 13 rays; anal fin with II spines and 111 or 12 rays; caudal fin rounded. Area before dorsal fin covered without scales. Body and head purplish to darker, paler in belly; with a broad, irregular, vertical yellowish band on head and another longitudiacal band on middle of the body. Fins yellowish, dorsal with a broad dark margin; pelvic fin without black marking; caudal with two dark longitudinal bands along the upper and lower margins.
habitats Rare species. Mouthbrooders. 
Distribution Distributed in the northwest Pacific from Japan to Taiwan; very rare and only found in northeastern Taiwanese waters. 
Utility No commercial value.