WSP04059

• File Number: 8240.200.10.K
• Description: UCRBRIP Strategy/Recovery Plans
• Basin: Colorado Mainstem
• Date: 8/6/1991
• Author: USFWS
• Title: Colorado Squawfish Revised Recovery Plan
• Water Supply Pro - Doc Type: Publication

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TABLE OF CONTENTS

DISCLAIMER... ... .. ... .......... . ... . ... ................. ....... ....... .. i

EXECUTIVE SUMMARy....................................................... i i i

ACKNOWLEDGMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. v

PART I.

I NTRODUCT I ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I

Historv...................................................... I
General Descriotion.......................................... 2
Distribution and Abundance....................:..... ......... 2
Historic Distribution.................................... 2
Present Distribution and Abundance.............. ......... 4

Life Hi story. . . .. . .. . .. . . . .. ... . . . . . . .... . . .. . .. .. .. .. '... .. . . 6
Habita t Preference....................................... 6
Temperature Preference................................... 6
Reproduction and Migration............ .......... ......... 8

G rowt h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. II
Food Habits..,........................................... 12
Cultural, Economic. and Biolooical Imoortance....... ......... 13
Imoortance of Tri butari es......... '" .... .... . ...... ......... 14

Reasons for Oed i ne. . . . . . . . . . . . '. . . . . . . . .. . . . . . . . . . . . . , . . . . . ., 14
Sensitive Areas and Priority Recovery Areas........, ......... 17
Sensitive Areas........................................... 17
Priority Areas for Recovery............... ...... ......... 17

PART I I. RECOVERY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 20

Ob iect i ve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 20
Downl istino Criteria......................................... 21

Del istino Criteria................... .,....................... 21
Steodown Out 1 i ne. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '. .. 23
Narrative.................................................... 27

LITERATURE CITED............................................. 40

PART III. IMPLEMENTATIriN SCHtDULE...... ............. .......... ......... 51

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