Scientific Name
Cynoglossus gracilis  
Cynoglossus gracilis窄體舌鰨
by: Lab of Fish Ecol. and Evo., BRCAS
Author Günther, 1873 Depth 5 - 100M
Chinese 窄體舌鰨 Poisonous Fish No 
Family_Chinese 舌鰨科 Economic Fish No 
Family F502 Cynoglossidae Edible Fish Yes  Chinese In Mainland China 窄體舌鰨 
Max Length 28 cm  Aquarium Fish No  Common Name 牛舌、龍舌、扁魚、皇帝魚、比目魚 
Distribution in World North West Pacific Ocean   Distribution in Taiwan West 
Habitats Benthos、Estuary、Coastal  Holotype Locality Shanghai, China 
Synonyms Areliscus gracilis, Areliscus hollandi, Areliscus trigrammus, Cynoglessus gracilis, Cynoglossus microps, Cynoglossus pellegrini, Trulla gracilis   
Reference 臺灣魚類誌(沈等, 1993);中國動物誌-鰈形目(李&王, 1995)  Günther, A. 1873 
Specimen List FRIP03304. NMMBP04926. NMMBP04927. NMMBP06241. NMMSTP00752. NTUM02498. NTUM02499. NTUM05113.  
Common Name Tonguefish 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays 133-135; anal-fin rays 105-108; caudal-fin rays 8. Body comparatively slender, its depth 4.35 to 5.26 times in standard length. Maxilla extending posteriorly beyond fixed eye. Corner of mouth nearer to branchial opening than to tip of snout.
habitats Occurs in coastal areas and estuaries. Feeds mainly on benthic invertebrates. 
Distribution Northwest Pacific: South China Sea through Taiwan, Tung-hai, and Chefoo to Pusan in Korea. Taiwan: West. 
Utility Commercial fishery species. Utilized as a food fish.