66.0 



62.0 

 58.0 

 54.0 



ACCL 32°C 

 TEST 32°C 



12 



10 



16 24 48 72 96 



TIME -hours 



Figure 73. Comparison of blood magnesium ion levels of Penaeus aztecus 

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



were 15°/ooS and 32°C 



143 



