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

14

50
.l:: 40
(f)
:;:
- 30
0
~
Q) 20
.D
E 10
:J
Z 0

TfSl1984 I

100 150 200 250 300 350 400 4SO 500 550 600 650 700 750 800 850 900 950

xx
><

.l:: 50
(f)
:;: 40
-
~ 30
Q)
.D 20
E
:J 10.
Z

I ~1985 I

o

100 150 200 250 300 350 400 450 SOO 550 600 650 700 750 800 850 900 950

.l:: 50
(f)
::: 40
0
~ 30
Q)
..D
E 20
::l
Z 10
0

I (;2J 1986

100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 9SO

.l:: 50
(f)
::: 40
o
Q:; 30
.D
E 20
:J
Z 10

o

I a 1987

100 150 200 250 300 350 400 450 500 5SO 600 650 700 7SO 800 850 900 950

.l::50
(f)
:: 40
o
~ 30
Q)
~20
-2. 10
o

I ~1988 I

100 150 200 250 300 350 400 450 500 550 600 6SO 700 7SO 800 850 900 950

Total length (mm)

Figure 6.

Yearly length frequency of Colorado squawfish from
the Green River, 1984-l98S.