Table 21a. Variation of gonosomatic relation* with length offish and period of capture for male and female bluefin tuna 

 taken in the Barbate trap in 1 956 (Rodrlguez-Roda 1 964a). 



Fork Length: 95-99.5 100-104.5 



105-109.5 110-114.5 115-119,5 120-124.5 125-129.5 130-134.5 135-139.5 



June MO 

 June 11-20 

 June 21-30 



July 10-20 

 July 20-30 



June 1-10 

 June 11-20 

 June 2 1-30 



July 10-20 

 July 20-30 



0.11 



Males (Arrivals) 



Males (Returns) 



Females (Arrivals) 



1.14 



Females (Returns) 



0.55 



1.37 



0.33 



051 



Fork Length: 140-144.5 145-149.5 



150-154.5 



155-159.5 160-164.5 16.5-169.5 170-174.5 



175-179.5 180-184.5 



1,18 2 28 



0,71 



2,50 



0,51 



79 82 



Fork Length: 185-189.5 190-194.5 



195-199.5 



200-204.5 205-209.5 210-214.5 215-219.5 



Mean 



I 91 



I 71 



1,24 



082 



'Maturity index obtained by multiplying the ratio of Ihe weight ol ihe gotiads ic the total weighl of the fish hy 100 (Rodriguez-Roda 1964a) 



77 



