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Table 1.--Comparison of trammel net catch rates of razorback <br />suckers and other fish species in the Colorado River Basin. <br />Trammel net catch data for razorback sucker are from Kidd (1977), <br />McAda and Wydoski (1980) and Minckley (1983), and Bozek et al. <br />(1984). Trammel net catch-per-unit-effort (CPUE) is number of <br />fish/100m2 of net/24hr. <br />Locality and Xvrauchen Ptychocheilus Catostomus Cyprinus <br />Investigator texanus lucius latipinnis carpio <br />COLORADO RIVER <br />Walker Wildlife <br />Area, CO <br />t <br />Kidd <br />1974 5.00 2.50 -- -- <br />1975 5.40 2.00 -- -- <br />1976 4.57 0.57 <br />McAda and Wydoski <br />April 1975 5.95 6.52 18.97 25.60 <br />May 1975 1.25 0.91 13.37 6.40 <br />June 1975 0.46 0.57 8.80 7.10 <br />GREEN RIVER, IIT <br />McAda and Wydoski <br />Sand Wash <br />December 1974 1.14 1.26 116.59 98.30 <br />Island Park <br />April 1975 0.23 -- 4.57 -- <br />Echo Park <br />May 1975 0.24 -- 6.63 1.7i <br />LAKE MOBAVE, AZ-NV <br />Minckley <br />1975-1981 2.17 -- -- 10.79 <br />Bozek et al. <br />Nov. to April <br />1982-1983 >10-104.6 -- -- -- <br />Range of 2 to 8 net hours/day given, catch rates here calculated <br />on 8 hour net-day. <br />21 <br />