7326

• UCREFRP Catalog Number: 7326
• Author: McAda, C. W., K. Seethaler and R. S. Wydoski.
• Title: Progress Report June 1, 1974 - October 31, 1975 Investigations of the Movements and Ecological Requirements of the Colorado Squawfish and Humpback Sucker in the Yampa and Upper Green Rivers.
• USFW Year: 1975.
• USFW - Doc Type: Logan, Utah.
• Copyright Material: NO

'~
'.r, ` ~ ~ 1 ~ 32
a •, ~ - ,
Sand Wash
December 9-10, 1974
' 1 93 meter trammel net
4 hour afternoon set
S ecies Total Caught c/f*
flannelmouth sucker 32 8.6
channel catfish 8 Z.1
carp ~ 31 8.3
Colorado squawfish 2 ---
humpback sucker 1 ---
14 hour overnight set
flannelmouth sucker ~ 22 1.6
channel catfish 3 .2
carp 4 .3
*1 unit of effort = 10 rneters of net fished 10 hours
This net was set .in a very large eddi~e at the mouth of a dry wash.
Tire bottom was covered with mud with a few large rocks randomly spaced
over the bottom.
This does not depict the normal ratio for daylight vs night time
cats,,",e~ b~c~use tl~~ nit ~~came heavily encased with ice during the ~~~ight
and was probably not fishing effectively.