Teble 1 

 Landings of Young and Adult Black Tuna from the Shigodera Grounds in Shizuoka 



Prefecture 



Total For Seven Years 1924.°32 



(fish of the year 1A»000 fish 



first-year fish 150,000 



second-year fish 2,600 



Asraall (under UO kg) 235 



adults< rocdiuTi (40-100 kg) 3/+0 



l^larga (over 100 kg) 310 



Table 2 

 Black Tuna Catch at Kushiro in Hokkaido 



Average 1922-25 

 small (under 10 kan ) i4..29 thousand fish 

 medium (10--15 kftn) 1.72 

 large (over 15 kan) 6,72 



Average 1926-32 



sssall (under 10 kan) 52.80 thousand fish 



medlura (10-20 kan ) 21, A9 



large (over 20 kan ) 31.89 



[TH: 1 kan 3 8,27 lbs.] 



