Au: Polyspecific nature of Thunnus albacares in eastern tropical Pacific 



347 



which showed billfish significantly more frequent in 

 log-fish sets (Fig. 3). Those rates ranged from 20% to 

 43% on different fishing trips. Sailfish Istiophorus 



platypterus comprised 31.4% of the billfish, the re- 

 mainder being marlin. Several of the latter were iden- 

 tified as striped marlin Tetrapturus audax and black 



