940 

 920 

 900 

 880 

 860 

 840 

 820 

 800 

 780 

 760 

 E 740 



O 



^ 720 



>- 



t 700 



_l 



< 



^ 680 



660 



640 



620 



600 



580 



560 



540 



520 



500 



480 



460 



en 



-//- 



ACCL 25«C 

 TEST SZ'C 



36%, 



/> ^' 



y 



/ 



25%, 



■V/ 



'^Z'^-. 



\\( 



L "•• .AyNTROL ^A^^ii 



Y> -«. </'■ , 



15%, 



V 



\ 



— /> 



10%, 



5%, 



r    



_i_ 



-//- 



_i_ 



_!_ 



- 145 



140 



- 135 



- 130 



125 



- 120 



115 



110 



105 



100 



95 



90 



85 



80 



75 



70 



12 



10 16 24 48 72 96 



TIME -hours 



168 



Figure 50. Comparison of the blood osmotic levels of Penaeus aztecus 

 during adaptation to various salinities at 32°C. The control conditions 



were 15°/ooS and 25°C 



115 



