7019

• UCREFRP Catalog Number: 7019
• Author: Hawkins, J. A.
• Title: Age and Growth Of Colorado Squawfish From the Upper Colorado River Basin, 1978-1990.
• USFW Year: 1991.
• USFW - Doc Type: Fort Collins, CO.
• Copyright Material: NO

11

50
.L: :1" rs;j 1979
(f) 40
~
-
0 30
~
Q)
.0 20
E
:::l 10
Z
0 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950
50
.L: 40 101980
(f)
~
- 30
0
.....
Q) 20
.0
E 10
:::l
Z
0 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950
50
.L: I fQ1981
(f) 40
~
-
0 30
~
Q)
.0 20
E
:::l 10
Z
0
100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950
50f
.L: I ~1982
(f) 40
~
-
0 ;f[
.....
Q)
.0 ~
E
:::l
Z
..... .... ......... ..... '\J'
100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950
50
.r:: I ~1983 I
(f) 40
~
-
0 30
~
CD 20
.0
E 10
:::l
Z
0 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950
Total length (mm)

Figure 3.

Yearly length frequency of Colorado sQuawfish from
the Colorado River, 1979-1983.