460 



440 

 420 



400 

 380 

 360 



_, 340 



UJ 320 



E 



Q 



o 



I 



300 

 280 

 260 

 240 

 220 

 200 



180 

 160 

 140 



-/f- 



ACCL I8°C 

 TEST ZS'C 



r 



/h-^. y' 



36 fo< 



25%. 



■/A-, 



^ 



CONTROL 



■yp 



\ 



-y/-"r..7!""'~ — ""^ " '5°/'" 



I07o. 



,5>. 





12 



-//- 



150 



140 



130 



120 



110 s? 



UJ 



9 

 q: 



100 o 



_l 



X 



90 



80 



70 



60 



50 



10 16 



TIME-hours 



24 48 72 96 



168 



Figure 65. Comparison of the blood chloride ion levels of Penaeus 

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



conditions were 15°/ooS and 18°C 



133 



