Figure 6. — Distribution of fishes of genus Istiophorus based on catch data from Japanese longline fishery during 1 964-69. A. 

 Good fishing grounds for the Indo-Pacific sailfish. B. Good fishing grounds for the Atlantic sailfish. C. Presumed northern 

 and southern limits of the Indo-Pacific sailfish. D. Presumed northern and southern limits of the Atlantic sailfish. 



Figure 7. — Distribution of fishes of genus Tetrapturus based on catch data from Japanese longline fishery during 1964-69. 

 A. Good fishing grounds for striped marlin, T. audax. B. Good fishing grounds for white marlin, T. albidus. C. Presumed 

 distribution areas of the longbill spearfish, T. pfluegeri. D. Presumed distribution areas of the Mediterranean spearfish. T. 

 belone. E. Presumed northern and southern limits of the striped marlin. F. Presumed northern and southern limits of the 

 white marlin. G. Presumed northern and southern limits of the shortbill spearfish, T. angustirostris. 



Puerto Rico (Robins and de Sylva, 1963). Longbill 

 spearfish have been caught off the east coast of the 

 United States and in the Central and South Atlantic 

 Oceans (Fig. 1). 



Tetrapturus albidus 



This species is distributed in the tropical and 

 temperate waters of the Atlantic. Good fishing 



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