940 

 920 

 900 



880 

 860 



840 



820 



800 



780 



760 



E 740 - 



w 



O 



E 720 



I 



>- 



t 700 



z 



O 660 



640 

 620 

 600 

 580 

 560 

 540 

 520 

 500 

 480 

 460 



-y/- 



ACCL IS'C 

 TEST 25»C 



36%, 



140 



135 



130 



125 



120 



115 



110 



105 < 



_) 

 O 



CO 



100 ° 



. 95 



90 



85 



80 



75 



70 



1 2 



-f/- 



10 16 24 



TIME -hours 



48 72 96 



168 



Figure 56. Comparison of the blood osmotic levels of Penaeus aztecus 

 during adaptation to various salinities at 25°C. The control conditions 



were 15°/°°S and 18°C 



122 



