7178

• UCREFRP Catalog Number: 7178
• Author: Miller, W. H., et al.
• Title: Windy-Gap Fishes Study
• USFW Year: 1984.
• USFW - Doc Type: Second Annual Report.
• Copyright Material: NO

TABLE OF CONTENTS
,

Page

LIST OF TABLES .............................................. ii
LIST OF FIGURES ............................................. iii
INTRODUCTION ...................... .......................
... 1
METHODS .....................................................
6
Movement, Spawning and Rearing investigations, Colorado
and Green Rivers ....................................... 6
Colorado squawf ish ....................................... 6
Humpback and roundtail chub .............................. 7
Backwater and Gravel Pit Investigations in the Colorado
River .................................................. 7

...
RESULTS AND DISCUSSION .................. ................. 11

11
Movement and Spawning .................................... 11
....
Colorado River .......................... ...........
Colorado squawf ish ..................................... 11
Humpback and roundtail chub ............................ 16
Green River ............. ............................. 22
Gila Speciation .......................................... 26
Larval Colorado Squawfish Collections .................... 27
Young-of-the-Year Surveys ................................ 29
Backwater and Gravel Pit Investigations-Colorado River... 29
Young-of-the-Year Habitat Available vs. Discharge........ 34
i