14. 

 12. 

 10. 



8. 



6. 



4. 



14. 



_l 



o- 12. 

 LlI 



E 



55 n 

 to °  



2 6. 



-y/- 



ACCL I8»C 

 TEST I8°C 



^ 27. 





-//- 



200 



180 

 160 

 140 

 120 

 100 

 80 

 60 



4.0 - 



■VA- 



ACCL IS^C 

 TEST 25''C 



25%, 



'^ C^^ _-^-s ^> — r ^ — 



CONTROL 



B 



_l L. 



14, 



12, 



10, 



8, 



6, 



4. 





ACCL I8°C 

 TEST 32"^ 



25% . 

 36%.' 



^: 





— '''^ x'''5%o 



5%, 



CONTROL 



■y/- 



200 

 180 

 160 

 140 

 120 

 100 

 80 

 60 



12 



10 16 24 48 72 96 



TIME-hours 



168 



Figure 79. Comparison of the blood potassium ion levels of Penaeus 

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

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



15°/ooS and 18°C. 



151 



