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

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Fish collected using trammel nets
Species
Total Collected c/f*
carp, Cyprinus car io 99 2.24
largemouth bass, P~licropterus salmoides 42 .95
green sunfish, Le orris cyaneilus 87 1.97
white sucker, Catostomus commersoni ~ 19 .43
flannelmouth sucker, Catostomus latipinnis 73 1.66
channel catfish, Ictalurus punctatus ]2 .28
bullheads, Ictalurus s~. 61 1.38
roundtail chub, Gila
robusta 94 2.13
_
northern pike; Esox Lucius 1 --
bluehead sucker, Catostomus discobolus 6 .14
bluegill, Leopmis macrochirus 1 --
Colorado squawfishT, PtyChoChellUS.lUC1USl 25 .57
razorback sucker, Xyrauchen texanu~ 23 ~.52
* one unit of effort~is defined as; ten meters of net set for ten hours.
** no attempt has been made here to give period of capture, location of
capture, or size of fish.
lten fish were recaptured after being marked last November
2three fish were recaptured after being marked last November