Scientific Name
Plecoglossus altivelis altivelis  
Pronounce  
 Plecoglossus altivelis altivelis香魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Temminck & Schlegel, 1846) Depth 1 - 10M
Chinese 香魚 Poisonous Fish No 
Family_Chinese 胡瓜魚科 Economic Fish Yes 
Family F172　Osmeridae Edible Fish Yes  Chinese In Mainland China 香魚 
Max Length 70 cm  Aquarium Fish No  Common Name 魚、Ayu、年魚 
Distribution in World North West Pacific Ocean   Distribution in Taiwan North、Middle 
Habitats Fresh water  Holotype Locality Japan 
Synonyms Plecoglossus altevalis, Plecoglossus altivelis, Plecoglossus altivelis chinensis, Salmo altivelis   
Reference 臺灣魚類誌(沈等, 1993)；The Live Marine Resources of the Western Central Pacific, Vol.3(FAO,1999)；Fishes of Japan(Nakabo, 2002)  Masuda, H., K. Amaoka, C. Araga, T. Uyeno, etc. 1984 沈世傑 編 Shih-Chieh Shen ed. 1993 Nakabo T. 2002 Nakabo T. 2002 Liu, Y.H., T. Kuwada, etc. 2008 
Specimen List ASIZP0058742. ASIZP0058872. ASIZP0068859. ASIZP0073295. ASIZP0073296. ASIZP0073297. ASIZP0074068. ASIZP0078349. ASIZP0805770. ASIZP0805771. ASIZP0805772. ASIZP0807120. ASIZP0915770. ASIZP0915771. ASIZP0915772. ASIZP0917120. FRIP00858. FRIP00859. FRIP00861. NMMBP02659. NMMBP05947. NMNSF01412. NTHUB01962. NTHUB02040. NTHUB02124. NTHUB02127. NTHUB02129. NTHUB02131. NTHUB02302. NTHUB02745. NTHUB03050. NTMP0081. NTMP0653. NTMP1105. NTUM00196. NTUM01667. NTUM02113. ...List all 42 records... 
Barcode2015-10-23,Chia-Hao Chang,CO1,% 2016-01-27,Yu-Ming,CO1,100%
Common Name Sweet-fish; Sweetfish; Ayu; Ayu sweetfish; Ko-ayu 
Redlist Status Not in IUCN Redlist     RE 2012 Redlist of Fresh Water Fishes::RE
Characteristic Body elongate, and laterally compressed. Mouth large. Teeth on both jaws small and conical in juveniles; movable, broad, lamelliform and 11 to 14 in number on each side in adults. Dosal fin high, with 10-11 rays, last dosal soft ray length 53-92% dosal-fin base length; adipose fin present; anal fin with 14-15 rays; pelvic fin with 14 rays. Scales small and cycloid; lateral line complete. Pyloric caeca more than 300, about 350-400.
habitats Typical amphidromous fish; appears in near shore from late autumn to spring. Found in lakes and rivers, preferring clean river water and can be found the entire river long, from the head to the mouth. Adults spawn in the spring, in the lower reaches of ri 
Distribution Distribured from western Hokkaido in Japan southward to the Korean Peninsula, Taiwan and China. 
Utility Highly esteemed food fish. Marketed fresh and consumed fresh, fried and broiled.