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Hawaiian Fishes 



The yellow-fin tuna feeds on all ocean going fishes including flying 

 fishes, sauries, sardines, plankton, and other creatures. Since the young 

 are never seen near shore it is thought to spawn in off-shore waters. It 

 is a valuable commercial fish oflf Mexico and Central America. 



Drawn from Jordan & Evermann 



The much debated Allison tuna of sportsmen is thought by many to 

 be old specimens with long fins. 



The yellow-fin tuna inhabits the surface waters of the entire tropical 

 Pacific Ocean. 



Thread Tuna 



Also known as Itoshibi (Thread Tuna) or Gesunaga 

 75-10 Semathjinnus itosibi (Jordan & Evermann) 

 This rare fish is "known by the elongated soft dorsal and anal, their 

 slender tips reaching at least to median finlet." It is a dusky blue in color 

 above, with silvery sides and without distinct markings. The finlets of 

 this fish are of a brighter yellow color than those of any other members 

 of the family. It is reported to reach a very doubtful length of nine feet. 

 This fish is reported from Japan and from Hawaiian waters. 



Bonito, Chile Bonito, or Skipjack 



75-11 Sard a chilensis (Cuvier) 

 This bonito is of a metallic bluish color above, pale or silvery below, 

 and is marked on the sides with about five dark blue lines running 

 obliquely backward and upward. Specimens in southern waters are 

 reported to be darker than those in more northern waters. The finlets 

 number eight above and six below. The corselet of scales extends beyond 



