9 411 

 920 

 900 - 



880 - 

 860 



840 - 



820 

 800 



780 

 760 



E 740 



m 



O 



f 720 



>- 



H 



H 700 



< 



o 



V) 



o 



680 

 660 



640 

 620 



600 

 580 

 560 

 540 

 520 

 500 

 480 

 460 



-//- 



ACCL SZ-'C 

 TEST 32">C 



36%o , 



./''' 



/A 



25%, 





J5%g,. 



CONTROL 



; — ^->^^ ^/--- 



t — 



10%. 



— ^^ 



V 



V 



.,^-^^ 



5%, 



2%. 



-L. 



_l I I L 



12 



10 16 24 48 72 96 



TIME— hours 



140 



135 



130 



- 125 



120 



i 115 



>- 



110 ^ 



< 

 -I 

 o 



105 V) 



o 



100 



95 



90 



- 85 



80 



75 



70 



168 



Figure 52. Comparison of the blood osmotic levels of Penaeus aztecus 

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



were 15°/ooS and 32°C 



117 



