area apparently passes well east of the American 

 coast. Fewer than 5% of the 124 returns from fish tag- 

 ged in the Cape Hatteras-Cape Cod area show sub- 

 stantial deviations from this pattern. The release and 

 recapture data for one fish released off Venezuela in 

 the fall and three released among the Bahamas in 

 spring (Fig. 10) also fit with the above pattern. 



Results (Fig. 10) from tagging two groups of white 

 marlin, presumably different from each other and 

 from the one just discussed, which concentrate in the 

 northern Gulf of Mexico in summer and off Venezuela 



in late summer and early fall, respectively, are less 

 clear-cut. Seasonal interchanges between the Gulf of 

 Mexico in the warm season and the Straits of Florida 

 and the adjacent Bahamas in the cold season have 

 been demonstrated, but fish marked in the latter area 

 have also been recaptured in the northern Caribbean 

 and well east of Brazil. Individuals marked off La 

 Guaira, Venezuela, in August-September have been 

 recaptured off the Guianas in November-December, 

 but also in the release area in November and January. 

 The monthly distribution of longline catches indicates 



Figure 10.— Tag returns from white marlin released in waters south of lat. 32°N. (Migration routes are diagrammatic.) 



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