7145

• UCREFRP Catalog Number: 7145
• Author: Inslee, T. D.
• Title: Spawning of Razorback Suckers
• USFW Year: 1981.
• Copyright Material: NO

TABLE OF CONTENTS
PROLOGUE ............................................................. ii
LIST OF TABLES ....................................................... v
LIST OF FIGURES ...................................................... vii
ACKNOWLEDGEMENTS ..................................................... ix
INTRODUCTION ......................................................... 1
Use of the 15-Mile Reach ........................................ 1
Importance of Flow Regimes ...................................... 2
SPRING FLOWS (APRIL-JUNE) ............................................ 4
Colorado squawfish .............................................. 4
General .................................................... 4
Spring Flow Effects on Habitat Complexity 5
Spring Flow Effects on Young Fishes ........................ 10
Background ............................................ 10
New Information ....................................... 15
Larvae ........................................... 15
Post-larval Fishes ............................... 21
Discussion ............................................ 21
Reduction of Historic Peak Flows ........................... 27
Razorback Sucker ................................................ 37
Recommendations ................................................. 42
WINTER FLOWS (NOVEMBER-FEBRUARY) ..................................... 47
General ......................................................... 47
Review of Winter Habitat Use .................................... 48
Recommendations ................................................. 49
iii