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Table 2. Catch per unit of effort (CPUE) of fishes collected by <br />angling and electrofishing, 1987-1989, Yampa and Green rivers, Dinosaur <br />National Monument, Colorado and Utah. AN=angling, EL=electrofishing, <br />RT=roundtail chub, HB=humpback chub, CS=Colorado squawfish, <br />FM=flannelmouth sucker, BH=bluehead sucker, RZ=razorback sucker, <br />MF=mountain whitefish, MS=mottled sculpin, CC=channel catfish, CP=common <br />carp, BB=black bullhead, TRT=rainbow, cutthroat, brown, and lake trouts, <br />NP=northern pike, WS=white sucker, GS=green sunfish, SM=smallmouth bass, <br />Effort in hours. <br /> Yampa Canyon Whirlpool Canyon Split Mountain <br /> Canyon <br /> <br /> AN EL AN EL EL <br />Species CPUE CPUE CPUE CPUE CPUE <br /> <br /> Native Species <br />RT 3.25 17.09 1.02 3.86 0.00 <br />HB 0.65 1.03 0.23 0.00 0.00 <br />CS 0.01 0.30 0.00 0.30 0.89 <br />FM 0.30 28.94 0.00 18.14 16.27 <br />BH 0.01 22.35 0.00 17.2 52.66 <br />RZ 0.00 0.07 0.00 0.00 0.00 <br />MF 0.00 0.02 0.00 0.00 0.00 <br />MSa 0.00 0.00 <br /> Introduced Species <br />cc 4.01 9.64 2.61 5.36 43.79 <br />CP 0.24 15.06 0.23 10.25 48.82 <br />22