522 



Fishery Bulletin 101 (3) 



130°E 



140°E 



40°N 



30°N 



\ 



.'. Red 20596 



130°E 



140°E 



40°N 



30°N 



Rec300497 



Figure 7 



Tracks of young Pacific bluefin tuna estimated by archival tags. 

 "Rel" and "Rec" mean release and recapture, respectively. Numerals 

 are dates in ddmmyy. Each panel shows the track of one fish with 

 an archival tag. 



days were not available, ten days from the residency phase 

 immediately following were used instead. Because errors 

 in determining geographical positions introduced scatter in 



the sequence of estimated positions, the onset (or end) of a 

 traveling phase was not always easy to define. In response 

 to this situation, three days of the residency phase nearest 



