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<br />Table 7. Fishes collected during June-August 1983 drift net sampling in the Yampa River, Colorado. <br /> N = number of fish sampled; %T = % of total number of fish sampled; %FO = frequency of <br /> occurrence (% of total number of samples containing a particular species; based on 123 <br /> samples at Harding Hole, 129 samples at Box Elder, and 252 total); asterisk (*) = less than <br /> 0.5% of total. <br /> Harding Hole (km 32.5) Box Elder (km 3.1) Total <br />Taxon N %T %FO N %T %FO N %T %FO <br />CYPRINIDAE 1,451 49 73 316 21 60 1,767 39 66 <br />Cyprinus carpio 40 1 11 7 * 2 47 1 7 <br />Gila spp.a 578 19 61 94 6 37 672 15 49 <br />Notropis 1utrensis 1 * 1 1 * * <br />N. stramineus 1 * 1 1 * * <br />Pimephales promelas 1 * 1 2 * 2 3 * 1 <br />Ptychochei1us luciusa 1 * 1 102 7 29 103 2 16 <br />Rhinichthys osculusd 829 28 59 108 7 37 937 21 48 N <br />Richardsonius balteatus 1 * 1 2 * 2 3 * 1 w <br />CATOSTOMIDAE 1,322 44 60 679 45 32 2,001 45 46 <br />Catostomus commersoni 1 * 1 1 * * <br />C. discobo1usa 1,269 42 46 661 43 26 1,930 43 39 <br />E:. latipinnisa 52 2 23 18 1 9 70 1 17 <br />I CTALURIDAE <br />Ictalurus punctatus 211 7 20 514 34 36 725 16 29 <br />COTTIDAE <br />Cottus bairdia 2 * 2 2 * 1 <br />NATIVES 2,731 91 75 983 65 70 3,714 83 73 <br />NON-NATIVES 255 9 80 526 35 40 781 17 34 <br />TOTAL 2,986 1,509 4,495 <br />aNative species <br />