14.0 



12.0 



10.0 



8.0 



6.0 



4.0 



14.0 



E 12.0 



I 



3E 



2 10.0 

 to 



CO 



< 8.0 



V/- 



ACCL 25°C 

 TEST I8°C 



25%o CONTROL 



t' c-^ /oo \^\ji^_i_i^^^^^_^^_^,^_^ 





_I I u 



-//- 



O 

 0. 



6.0 

 4.0 



14.0 



12.0 



10. 



8.0 



6.0 

 4.0 



-//- 



ACCL ZS-C 

 TEST 25"^ 



/A- 



 S5%t/A- 



15%, 



36%. 



i  ' — "Z^ — r."" T. r jV ,'^ * ^ 



•5*' 



V • 5% 



CONTROL' 



"). — 



2^ 



v>- 



V/^ 



ACCL asx 



TEST 32»C 



36%, 





_!_ 



12 



10 



' //- 



16 24 



TIME-hours 



160 



140 

 120 

 100 



80 



60 



40 



160 

 140 

 120 ^ 

 100 to 



to 



i5 



80 5 



a. 



60 

 40 



160 

 140 

 120 

 100 



80 



60 



40 



48 72 96 



168 



Figure 77. Comparison of the blood potassium ion levels of Penaeus 

 aztecus during adaptation to various salinities at 18°C (section A of 

 the figure) , 25°C (B) , and 32°C (C) . The control conditions were 



15°/o°S and 25°C 



148 



