460 

 440 

 420 

 400 

 380 

 360 

 340 

 320 



liJ 



a 300 



(r. 

 o 



X 



o 



280 

 260 

 240 

 220 

 200 

 180 

 160 

 140 



-//- 



ACCL 25"C 

 TEST 32°C 



-t. 



V 



36%< 



.^' 



'-VA^^X' 



25%< 



CONTROL 157c 



^ > ^^ ^^ '' 



•/A- 





I0%o 

 5 /oo 



2%o. 



-L. 



-L. 



12 



10 16 



TIME -hours 



-//- 



160 



150 



140 



130 



120 



110 



100 



Q 



(r 

 o 



_i 



X 



o 



90 



70 



60 



50 



24 



48 72 



96 



168 



Figure 59. Comparison of the blood chloride ion levels of Penaeus 

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



conditions were 15°/ooS and 25°C 



126 



