7369

• UCREFRP Catalog Number: 7369
• Author: Marsh, P. C. and W. L. Minckley.
• Title: Radiotagging Razorback Suckers
• USFW Year: 1989.
• USFW - Doc Type: Gila River, Arizona 1988-1989.
• Copyright Material: NO

-7-
No. 706 Dexter male.
Transmitter functional and fish alive 1245 hr 24 May 1988.
Located 0.8 km below release site. 1800. hr 24 May ~'~88; w = 5
m, z = 0.3 m, v = 0.20 m/sec, substrate sand.
Transmitter located 10.4 km downstream from release site 0900
hr 2 June 1988: fish presumed dead: stream w = i2 m. z =
0.6 m, v = 0.05 lt/sec, substrate gravel/shifting sand.
No subsequent contact.
No. 707 Dexter female.
Transmitter functional and fish alive i-045 hr 24 Mav 1988
. Located ca. 0.8 km below release site 1800 hr 24 May 1988.:
channel w = 8 m, z = 0.5 m, v = 0.30 m/sec, substrate sand.
Located at release site 0800 hr 25 May 1988; w = 8 m. z =
0.1 m. v = 0:25 m/sec, substrate sand.
Located ca. 2.5 km belcw release site 175 hr 25 May 1988; w
= 14 m, z = 0.2 m, v = 0.35 m/sec, substrate sand.
Located 6.4 km downstream from release site 1410 hr 1 June
1988: apparently feeding In slow current C< 0.05 m/sec) in
relatively quiet, shallow (6-8 cm) water downstream from
riffle; ca. 3 m from bank, channel w = 12 m, substrate sand
and gravel.
Located at confluence of Gila and San Francisco rivers C9.6
km downstream from release site) 08 June 1988; in eddy
adJacent to rock; habitat ca. 6 m x 1 to 3 m wide, 0.3 to
1.0 m deep, gravel bottom; channel. w = 12 m, eddy v = 0 to
0.2 m/sec (swirling).
Transmitter plus disarticulated skeletal remains recovered on
shore 10.8 km downstream from release site 24 June 1988;
carcass ilkely eaten by scavengers.
No. 708 Dexter female.
Transmitter functional and fish alive 1350 hr 24 May 1988.
Located 21.6 km below release site 0900 hr 2? May 1988; in
eddying current adjacent to mid-channel bedrock outcrop;
channel w = 6 m, z = 0.75 m, v = 0 to 0.5 m/sec (swirling);
substrate variable, including grave], boulder, and bedrock.
Located 22.4 km below release-site 1100 hr 27 May 1988; in
relatively swift, lateral channel; w = 2 m, z = 0.25 m, v
= 0.3 m/sec, substrate gravel and cobbles.
No subsequent contact.
No. 709 Dexter male.
Transmitter functional and fish alive 1400 hr 24 May 1988.
Located 32 km downstream from release site 22 June 1988;
along margin of riffle, w = 18 m, z = 0.25 m, v = 0.8
m/sec, substrate sand and coarse gravel.
Transmitter only recovered from gravel bar 32 km downstream
from release site 1400 hr 24 June 1988; fate of fish
. unknown, possibly killed by predator.