9449

• UCREFRP Catalog Number: 9449
• Author: Hawkins, J. A.
• Title: Recapture and growth rates of three Colorado River endangered fish species
• USFW Year: 2003.
• USFW - Doc Type: a comparison between electrofishing and non-electrofishing.
• Copyright Material: NO

25
~ 20
0 15
E 10
E
~ 5
°-' 0
c~
~ -5
t
~ -10
0
~ -15
-20
x
x
x o x
~ o x x o

x ~

2.20 2.40 2.60 2.80
Logo total length (mm)
x EL o non-EL
~ 20
0 15
E
~ 10
I_
~ 5
m
~ 0
3 -5
0
~ -10
3.00 3.20
0

2.20 2.40 2.60 2.80
Logo Total Length (mm)
x EL o non-EL
3.00 3.20
A
6
Figure 1-Regresssion of growth rate (mm/month) as a function of logo total
length (mm) for Colorado pikeminnow recaptured during first (A) or second (B)
growing seasons after initial capture by electrofishing (dashed line) or
non-electrofishing (solid line) gears. See Table 5 for regression equations.
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