7823

• UCREFRP Catalog Number: 7823
• Author: Miller, W. H., et al.
• Title: Colorado River Fishery Project, Part II, Final Report, Field Investigations.
• USFW Year: 1982.
• USFW - Doc Type: \
• Copyright Material: NO

Table 8
•
Colorado squawfish by size classes, standardized

sampling -
stations, Green River, 1979
1981
Size class Total
Total length number
(millimeters) R depth Strata of
(average) x velocit y A B C D E F fish Percent
0-60 1.0 276 106 32 23 16 30 627 74
0.4
60-100 0.9 28 13 4 2 53 20 120 14
(76) 0.3
100-200 1.2 11 7 0 0 11 6 35 4
(122.2) 0.3
200-300 3.0 4 2 0 1 0 0 7 1
(270.3) 1.0
300-400 4.0 3 1 3 1 1 1 10 1
(349.0) 1.0
400-500 4.9 5 3 1 0 7 10 26 3
(448.5) 0.6
500-600 5.1 1 3 1 3 4 4 16 2
(534.4) 0.6
600-700 4.0 0 2 0 1 1 0 4 -
(627.5) 0.4
700-800 - 0 0 0 0 0 0 0 0
800-900 3.9 0 0 0 0 0 .1 1 -
(867) 0.5
•
Totals 328 137 41 31 237 72 846 99
Figure 12
275
250
225
200
175
c
w
150
At 125
E
2
100
75
50
C
STRATA
. Colorado squawfish collected, standardized sampling stations,
Strata A through F, 1979, 1980, and 1981. (Y=young of the
year, J=juveniles, A=adult.)
33