Scientific Name
Cynoglossus joyneri  
Cynoglossus joyneri焦氏舌鰨
by: Lab of Fish Ecol. and Evo., BRCAS
Author Günther, 1878 Depth 20 - 70M
Chinese 焦氏舌鰨 Poisonous Fish No 
Family_Chinese 舌鰨科 Economic Fish Yes 
Family F502 Cynoglossidae Edible Fish Yes  Chinese In Mainland China 焦氏舌鰨 
Max Length 24 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、North 
Habitats Benthos、Coastal  Holotype Locality Tokyo, Japan 
Synonyms Areliscus joyneri   
Reference 臺灣魚類誌(沈等, 1993);中國動物誌-鰈形目(李&王, 1995)  Günther, A. 1878 沈世傑 編 Shih-Chieh Shen ed. 1993 李思忠, 王惠民 1995 
Specimen List NMMBP04934. NMMBP04935. NMMBP05135. NMMBP05136. NMMBP05137. NMMBP05138. NMMBP06240. NTUM01611. NTUM05207.  
Common Name Red tonguesole 
Redlist Status NL Not in IUCN Redlist     
Characteristic Dorsal-fin rays 98-112; anal-fin rays 80-90; caudal-fin rays 10. Lips on eyed side of head not fringed with labial papillae. Three lateral lines on eyed side of body. Two nostril on eyed side of head. Ctenoid scales on both sides of body and head. Head and body with no dark brown spots on left side. Scales between upper and middle lateral lines at most 12-14 longitudinal series; snout longer than distance from upper eye to dorsal fin base. Snout hook reaching inferior of anterior nostril; hind end of mouth cleft nearer to snout tip. Hind end of mouth cleft behind lower eye; eye-diameter 9.8-15.2 in head length.
habitats Found in the sublittoral zone on sandy mud bottoms. Feeds on benthic animals. 
Distribution Northwest Pacific: Korea and southern Japan to the Yellow Sea and South China Sea. Taiwan: North, West. 
Utility Commercial fishery species.