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Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Scombridae  
 Genus Auxis  
  Auxis rochei  rochei (Risso, 1810) 
Provider: Kwang-Tsao Shao 
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Synonyms:Auxis bisusAuxis maruAuxis ramsayiAuxis rocheiAuxis thazardAuxis thynnoidesAuxis vulgarisScomber bisusScomber rocheiThunnus rocheanusThynnus rocheanus  details
Citation: 臺灣魚類誌(沈等, 1993);The Live Marine Resources of the Western Central Pacific, Vol.6(FAO, 2001)
Character: Body robust, elongate and rounded. Teeth small and conical, in a single series. Body naked except for corselet, well developed in its posterior part, extending beyond of second dorsal-fin origin. Two dorsal fins, the first with X to XI spines, separated from the second by a long interspace, the second with 10 to 12 rays followed by 7 to 9 finlets; anal fin with 12 to 13 rays followed by 7 finlets; pectoral fins short, not reaching vertical line from anterior margin of scaleless area above corselet. A strong central keel on each side of caudal fin base between 2 smaller keels. Swimbladder absent. Back bluish, turning to deep purple or almost black on the head; belly white; a pattern of 15 or more fairly broad, nearly vertical dark bars in the scaleless area. 
Habitat: Adults are principally caught in coastal waters and around islands. Forms schools. Feeds on small fishes, particularly anchovies, crustaceans and squids. 
Distribution: Widespread in warm waters of Atlantic, Indian and Pacific oceans including the Mediterranean Sea. It is a common species in Taiwan, especially in southern and eastern part. 
Utility: Marketed fresh and frozen and also dried or salted, smoked and canned. 
Name Code: 382485
  IUCN Red List:LC      Marine     
Suggested Link    The Fish Database of Taiwan  FishBase  Discover Life  World Register of Marine Species (WoRMS) 
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