800 

 600 



400 - 



CM 



c- 200 - 



20 - 



6 8 10 B 20 

 TEMPERATURE 



30 40 



Figure 2. Tolerance of (A) fathead minnows ( Pimephales promelas ) and (B) 

 goldfish ( Carassius auratus ) to hydrogen sulfide at different 

 temperatures. 



41 



