9425

• UCREFRP Catalog Number: 9425
• Author: Bezzerides, N. and K. Bestgen.
• Title: Status Review of Roundtail Chub
• USFW Year: 2002.
• Copyright Material: NO

LIST OF TABLES
Page #
Table 1. Legal status of select native fishes in the Colorado River
Basin (State and Federal).. . 2
Table 2. Acts and legislation passed to develop and manage CRB
water resources. . . . . 6
Table 3. Anthropogenic changes to the riverine environment in

'
4
bl
T the CRB, causes, and impacts to native fishes.
nized Colorado River Basin Gila
reco
ntl
C . . 9
.
e
a g
y
urre
species and subspecies.. . . 17
Table 5. Presence and relative abundance of roundtail chub by
time period and river basin. . 30
Table 6. Potential populations of roundtail chub in the Colorado
River Basin. . 32
' Table 7. Presence and relative abundance of flannelmouth
sucker by time period and river basin. . 48
Table 8. Potential populations of flannehnouth sucker
' in the Colorado River Basin. • ~~
Table 9. Presence and relative abundance of bluehead sucker by
time period and river basin. . . ~
Table 10. Potential populations of bluehead sucker in the
Colorado River Basin. . . 65
Table 11. Documented cases of decline/extirpation for
the three study species.. . 69

1

' Final Report September 20(12 ix