Table 3 Age,, length and weight range, rate of gro\vth, and condition factor 



of black tuna 



Age 



Fish of the year (O age group) 

 Second-year fish (I age group) 

 Third-year fish (II age group) 

 Fourth-year fish (III age group) 

 Fifth-year fish (IV age group) 

 Sjxth-year fish (V age group) 

 Seventh-year fish (VI age group) 

 Eighth-year fish (VI T age group) 

 Ninth-year fish (VIII age group) 

 Tenth-year fish (IX age group) 



Length 



Tteight 



Growth Rate Cond. Factor 



<U3 cm 



' 69 



69 - 9A 



94 - 118 



118 - U5 



U5 - 168 



168 - 190 



190 - 210 



210 - 230 



230 - 250 



<2.3 kg 



2.3 



8.3 

 21.6 



UcO 



73»0 

 110,0 

 LU 

 185 

 230 



3c3 

 21.6 



a.o 



73.0 



110.0 



LU.O 



185 



230 



300 



1,47 

 0.85 

 0.64 

 0.58 



o,a 



0.27 

 0.25 

 0.22 

 0.17 



23 

 27 

 26 

 25 

 24 

 23 



a 



20 



20 

 20 



Table 4 Length, weight, and condition factor of black tuna 



Nuniazu Market 1935 IV 



Average CF, by 

 Age Groups 



fifth-year fish 

 24.0 



sixth-year fish 

 20.4 



seventh-year fish 

 18.0 



sixth-year fish 

 18.6 



seventh-year fish 

 19.3 



eighth-year fish 

 ll.6 



-4- 



