Table 4. Sizes of Atlantic bluefin tuna at ages as determined by various authors. 



Table 5. Age ranges and average ages 

 for selected weight ranges of bluefin 

 tuna captured off Massachusetts (Berry 



Ages determined by counting vertebral 

 annuli. 



1200 - 



eoo - 



«oo 



200 - 



15/V 



l/Vi 15/VI i/vil 15/VII i/viil 15/ViM i/IX IS/ix 



DATES 



l/X 15/X l/XI 



Figure 6. Growth in weight of bluefin tuna collected in Sicilian waters in their 

 first months of life (Piccinetti and Piccinetti Manfrin 1970). 



10 



