Table 1 Fin ray and gill raker counts of skipjack ( Katsuwonua pelamis) taken in 

 the Tfaters adjacent to Oraaez£.kl in Izu between August and October of 19il7 



First Dorsal Spines 

 Dorsal Pin Spines Separate Spines 



Total 



Number of Rays 

 Number of Fish 



Second Dorsal Rays and Finlots 



13 

 6 



Rays 



U 15 

 54 6 



8 

 3 



Finlets 



9 

 61 



10 

 2 



22 



7 



Total 



23 

 53 



24 

 6 



Anal Rays and Finleta 

 Rays Finlets 



Total 



