9489

• UCREFRP Catalog Number: 9489
• Author: Mueller, G.
• Title: The Role of Stocking in the Reestablishment and Augmentation of Native Fish in the Lower Colorado river Mainstream ‎(1998-2002)‎.
• USFW Year: 1998-2
• USFW - Doc Type: 03-288,
• Copyright Material: NO

I
fl
,I
I
il
II
I
I
I
;~I
[I
II
:1
~I
:1
.1
el
,I
I

Number of Fish
12 N=119
10
8 -------------
6 -------------
4 ----------
2
0
5 10

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ IIZIPectral Ray
~Dorsal Ray
~Vertebrae

15

20

25

Years of Age

Figure 1.5. Estimate oftlannelmouth sucker age distribution based on annuli read from vertebrae and fin rays.

18
16
.c 14
-
c
0 12
E
E 10
E 8
.5
.c 6
i
e 4
C)
2
0
<450 450 475 500 525 550 575 600 625

Figure 1.6. Growth rates (mmlmonth) of tlannelmouth sucker (N = 57) recaptured after a minimum of 9
months after release from the lower Colorado River, Arizona-Nevada between 1999 and 2002 (bars represent
range).

12