32 



Fishery Bulletin 88(1), 1990 



o 



c 



0) 



u 



0) 

 Q. 



100 

 90 

 80 

 70 

 60 

 50 

 40 

 30 

 20 - 

 10 



Peak hatch 



14^ 



12 



Figure 1 



Percent mortality of walleye pollock larvae after 

 hatch when embryos were exposed to water- 

 .soluble fractions of Cook Inlet crude oil (1-21 day 

 treatment). Vertical bars are .standard error. 



