3201

• UCREFRP Catalog Number: 3201
• Author: Osmundson, D. B.
• Title: Growth and Survival of Colorado Squawfish ‎(Ptychocheilus lucius)‎ Stocked in Riverside Ponds, With Reference To Largemouth Bass ‎(Micropterus salmoides)‎ Predation
• USFW Year: 1986
• USFW - Doc Type: \
• Copyright Material: NO

LIST OF FIGURES
Figure Page
1. Distribution and relative abundance of
Colorado squawfish in the Upper Colorado
Basin . . . . . . . . . . . . . . . . . . . . . . 8
2. Distribution and relative abundance of
largemouth bass in the Upper Colorado
Basin . . . • . . 8
3. Section of Colorado River where study ponds
are located . . . . . . . . . . . . . . . . . . . 14
4. Location of study ponds with respect to the
Colorado River and other gravel-pit ponds
(1983) . • . . . . 15
5. Length-frequency distributions of squawfish
at time of stockin
24
g .
6. Dissolved oxygen at three depths in the
five study ponds . . . . . . . . . . . . . . . . 40
7. Estimated densities of three size-classes
of largemouth bass in each of five ponds,
summer-fall 1983 • . . 44
8. Estimated densities of three size-classes
of largemouth bass in each of four ponds,
summer-fall 1984 . . . . . . . . . . . . . . . . 44
9. Relative abundance of forage-sized fish in
five ponds, August-September 1983 . . 52
10. Relative abundance of forage-sized fish in
four ponds, August-September 1984 . . 52
11. Percentages of food items by volume in large-
mouth bass stomachs during fall 1983 . . . . . . 56
12. Percentages of food items by volume in large-
mouth bass stomachs during summer 1984 . . . . 59
13. Percentages of food items by volume in large-
mouth bass stomachs during fall 1984 . . . . . . 62

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