7724

• UCREFRP Catalog Number: 7724
• Author: Snyder, D. E.
• Title: Contributions to a Guide to the Cypriniform Fish Larvae of the Upper Colorado River System in Colorado.
• USFW Year: 1981.
• USFW - Doc Type: \
• Copyright Material: NO

TABLE OF CONTENTS

Ti tl e page ................................................... i

Di sc 1 a i mer ................................................... i i

De d i ca t ion ................................................... i i i

Acknowl edgments .............................................. i v

Tab 1 e of Contents ............................................ v

List of Tables and Figures (exclusive of species accounts) ... vi

Preface ...................................................... 1

I ntroducti on ................................................. 2

The Upper Colorado River System and Its Fishes ...... ......... 2
Anatomical Features of Eggs and Larvae ....................... 6
Terminology of Developmental Intervals ....................... 8
Classification of Developmental Intervals ............... 8
Need for a Standard Terminology......................... 8
Terms and Defi ni tions ................................... 8
Characteristics Useful in the Identification of ... Larvae ... 9

Myomeres ................................................ 10

Fi ns and Fi n fo 1 ds ....................................... 10
Other Countable Structures .................... .......... 11

Morpho logy .............................................. 12

P i gme n ta t ion ............................................ 1 3

Comments on the Identification of Fish Eggs.................. 13
Methods and Materials........................................ 14

Re s u 1 ts ...................................................... 14

Preliminary Key to the Cypriniform Metalarvae ... ........ 16

Speci es Accounts ........................................ 19

Cypri nus carpi 0 .................................... 19

Gila atraria ....................................... 22

Gi 1 a cypha ......................................... 25

Gi 1 a robus ta ....................................... 29

Hybogathus hankinsoni .................... .......... 32
Notropi s 1 utrens is. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 35
Notropi s s trami neus ................................ 39
Pi mepha 1 es prome 1 as ................................ 42
Ptychocheilus lucius ............................... 45

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