Scientific Name
Opisthopterus tardoore  
Opisthopterus tardoore後鰭魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Cuvier, 1829) Depth 5 - 20M
Chinese 後鰭魚 Poisonous Fish No 
Family_Chinese 鋸腹鰳科 Economic Fish Yes 
Family F094 Pristigasteridae Edible Fish Yes  Chinese In Mainland China 後鰭魚 
Max Length 20 cm  Aquarium Fish No  Common Name 翹鼻魚、薄刀、眶仔 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan West、North、PonFu 
Habitats Estuary、Coastal  Holotype Locality Pondicherry, India 
Synonyms Clupea indicus, Opisthopterus macrognathus, Opisthopterus tartoor, Opisthopterus tartur, Opisthopterus tartus, Pristigaster elongata, Pristigaster indicus, Pristigaster tardoore, Pristigaster tartoor, Pristogaster elongata   
Reference 臺灣魚類誌(沈等, 1993);中國動物誌-鱘形目;海鰱目;鯡形目及鼠鱚目(張, 2001)  沈世傑 編 Shih-Chieh Shen ed. 1993 張世義 編著 2001 
Specimen List FRIP03202. NMMBP04931. NMMBP04932. NTUM00116Paratype.  
Common Name Tardoore; Indian shad; Herring; Long-finned herring 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body elongate and strongly compressed; belly convex in front, with 29 to 35 scutes. Eye large. Lower jaw projecting; mouth pointing obliquely upward; lower gill rakers on first gill arch 22 to 28, increasing with size of fish. Scales easily lost, about 46 to 51 in lateral series. Pectoral fin usually about equal to head length or greater; dorsal fin small, well behind midpoint of body; anal fin long, its origin well before dorsal fin origin. A dark spot on body posterior to gill opening.
habitats Found close to shore and also entering estuaries. Ascends rivers into the tidal zone. Feeds on mysids, Pseudodiaptomus and copepod eggs, also prawns and other small crustaceans, bivalve eggs and larvae, amphipods and small fishes. Spawns in late February  
Distribution Distributed in tropical waters of Indo-West Pacific from the Gulf of Oman to at least Madras, perhaps to the north and along the coasts of Burma, certainly at Penang, Singapore, Java Sea, Thailand, South China Sea and Taiwan. It found in western and nort 
Utility Marketed fresh, dried, dried-salted, boiled, or made into fish balls.