TABLE OF (XINTENTS 



Page 



Introduction 1 



Preliminary experiment 2 



Objectives 2 



Acknowledgments 3 



Method 



Experimental design 3 



Source of fish 4 



Apparatus and measurements 5 



Experimental procedures 8 



Results and discussion 9 



Description of behavior 9 



Analysis of results 10 



Conclusions 14 



Recommendations 15 



TABLES 

 No. 



1 Sequence for energizing electrode rows in array 7 



2 Percentage of squawfish that entered the "positive" 



end zone during 7-second test interval 10 



3 Mean percentage of unshocked and once-shocked squawfish 

 that entered the "positive" end zone in north and south 

 blocks (based on 18 observations) 10 



4 Analysis of variance of effects of potential, pulse 

 frequency, and pulse duration on movement of unshocked 

 squawfish 11 



1X1 



