7203

• UCREFRP Catalog Number: 7203
• Author: Osmundson, D. B. and L. R. Kaeding.
• Title: Colorado Squawfish and Razorback Sucker Grow-Out Pond Studies as Part of Conservation Measures for the Green Mountain and Ruedi Reservoir Water Sales
• USFW Year: 1989.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

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30
U
25
W 20
D:
Q 15
0:
w
10
W
H
5
0 . . . . . . . . . . . . . . . . 1 . . . . . . . . . .I
A S O N 0 J F M A M J J A S O N 0 J F M A M J J A S 0
1986 1987 1988
- FISH CHALET - HUMPHREY WEST
Figure 3. Temperature at mid-depth in three study ponds, 1986-88.
to 0.59 between 10 June and 9 July. Growth increased again during late
summer, and condition improved slightly; K was 0.63 by 14 September.
Between then and mid May of the following year, mean length increased
slightly while mean weight decreased; mean condition declined to 0.57.
The last sample of squawfish was collected on 15 June 1988. Length and
weight had increased since mid May; K had also increased, but was still
low (0.59). 11
Food Habits.
The retarded growth rate and low condition of squawfish in Fish Chalet
Pond may be attributed to their reliance on an insectivorous diet; the
need to switch to a more piscivorous diet may have been hampered by a
shortage of forage fish of appropriate size.
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