CONTENTS 



Page 



ACKNOWLEDGEMENTS 1 



LIST OF TABLES 5 



LIST OF FIGURES 7 



PART I: INTRODUCTION 8 



Background 8 



The Study Area 9 



PART II: METHODS 13 



Sampling Stations and Schedules 13 



Fish Population Sampling 14 



Physical-Chemical Measurements 15 



PART III: RESULTS 16 



Physical-Chemical Measurements 16 



Water temperature 16 



Dissolved oxygen 16 



Transparency 17 



Electrofishing Results, (1959-1974) 17 



Gar ( Lepisosteus spp.) 19 



Bowf in ( Amia calva) . 20 



American eel ( Anguilla rostrata ) 20 



Skipjack herring ( Alosa chrysochloris ) 21 



Gizzard shad ( Dorosoma cepedianum ) 21 



Goldeye (Hiodon alosoides ) and Mooneye 



( Hiodon tergisus ) 22 



Grass pickerel ( Esox americanus vermiculatus ) 22 



Northern pike ( Esox lucius ) 22 



Goldfish ( Carassius auratus ) and Carp x gold-fish 



(C. carpio x C_. auratus ) 23 



Carp ( Cyprinus carpio ) 24 



Minnows (Family Cyprinidae) 26 



Carpsuckers (C arpiodes spp.) 26 



River carpsucker ( Carpiodes carpio ) 27 



Quillback ( Carpiodes cyprinus ) 27 



Highf in carpsucker ( Carpiodes velifer ) 28 



Smallmouth buffalo ( Ictiobus bubalus ) 28 



Bigmouth buffalo ( Ictiobus cyprinellus ) 28 



Black buffalo ( Ictiobus niger ) 29 



Shorthead redhorse ( Moxostoma macrolepidotum ) 29 



White catfish ( Ictalurus catus ) 29 



