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Updated: 06/12/2008  
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Species Information          
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    Thunnus  
Perciformes  -  Scombridae  -  Thunnus  -  Thunnus alalunga

Thunnus alalunga

All Families(148) All Genera(504) All Species(1287)
body deepest under rear end D1
 
  C: rear edge white
 

25-31 gill rakers
 
pectoral: very long, passes D2, tip straight
 
 

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Thunnus alalunga (Bonaterre, 1788)


Albacore tuna


Body elongate, fusiform, moderately compressed; deep body, with greatest depth at origin of 2nd  dorsal fin; no fatty eyelid; teeth slender, conical; top of tongue with 2 cartilaginous ridges; 25-31 gill rakers; 2 dorsal fins barely separated; 1st  dorsal XII-XVI; 8-9 finlets after dorsal and anal fins; pectoral very long (reaches well past 2nd  dorsal base) and with straight point; short, forked bony process between pelvic fins; two small keels separated by large keel on tail base; well developed scaly corselet on front of body; small scales cover body behind corselet

Faint iridescent blue stripe along flank; first dorsal deep yellow; second dorsal and anal light yellow; anal finlets dark grey; tail grey, with white rear border.


Size: 152 cm.

Habitat: oceanic.

Depth: 0-600 m.

Circumglobal, temperate; California to the tip of Baja California and the Revillagigedos, the Galapagos and to southern Peru.

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