30 r 



20 



10 - 



1947 



•— ^-^ 



30 r- 



20 



10 



1948 



Uj 30 

 '^ 



^ 20 

 l^^ 10 



« o 



30 

 20 

 10 



O 



30 



20 

 10 



1949 



1950 



1951 



50 



„i ±±, 



100 150 200 



LENGTH (cm) 



250 



300 



Figure 23 Lengths of bluefin tuna captured in Maine and Ipswich Bay, Massachusetts ("+" on graph means less than 0.5%). 



26 



