530 



Fishery Bulletin 91(3). 1993 



be 

 as 



> 



120 



100 



80 



60 



40 



20 



1 1 1 1 r 



O = Immature 

 • = Resting 



200 250 300 350 400 450 500 

 mm FL 



Figure 2 



Individual average diameters (minimum + maxi- 

 mum dimensions/2) of the five largest chromatin 

 nucleolar oocytes or oogonia along a randomly se- 

 lected axis of a histological section from immature 

 (n=32) and resting (n=21) Spanish mackerel, 

 Scomberomorus macula t us. 



a 



v 

 o 



S-, 

 0> 

 PL, 



20 



15 



10 



^] = Developing, ripe, 

 or spent (n=171) 



■i = Resting (n = 272) 



I 



I 



r> , n 



301- 401- 501- 601- 701- 

 325 425 525 625 725 



mm FL 



Figure 3 



Length-frequency distributions for female Spanish mackerel, 

 Scomberomorus maculatus, with evidence of certain maturity 

 (e.g., developing, ripe, or spent state) and those in the resting 

 state. All specimens examined histologically. 



