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<br />Table 2. Seine and dip net catches of fish in the Colorado River, Colorado, 1981-1983. N = number of <br />fish sampled, %T = % of total number of fish sampled; %FO = frequency of occurrence (% of total <br />number of samples containing a particular species; based on 295, 336, and 205 samples for <br />1981, 1982, and 1983, respectively); asterisk (*) = less than 0.5% of total. <br /> <br />Taxon <br /> <br />N <br /> <br />CYPRINIDAE <br />Cyprinus carpio <br />Gila spp. d <br />Notropis 1utrensis <br />N. stramineus <br />Pimephales promelas <br />a <br />Ptychochei1us lucius <br />Rhinichthys oscu1usd <br />Richardsonius balteatus <br /> <br />48,047 <br />14 <br />3,488 <br />24,353 <br />3,409 <br />16,019 <br />1 <br />752 <br />11 <br /> <br />CASTOSTOMIDAE <br />Catostomus commersoni <br />C. discobo1us a <br />C. laUpinnis a <br /> <br />560 <br />6 <br />423 <br />131 <br /> <br />I CTALURIDAE <br />Icta1urus punctatus <br />I. me1as <br /> <br />121 <br />117 <br />4 <br /> <br />CENTRARCHIDAE <br />Lepomis cyane11us <br />L. machrochirus <br />Micropterus sa1moides <br />Pomoxis nigromacu1atus <br /> <br />150 <br />136 <br />1 <br />13 <br /> <br />1981 <br />%T <br /> <br />98 <br />* <br /> <br />7 <br />50 <br />7 <br />33 <br />* <br /> <br />%FO <br /> <br />N <br /> <br />1982 <br />%T <br /> <br />91 <br />* <br /> <br />9 <br />58 <br />8 <br />13 <br />* <br /> <br />6 <br />* <br /> <br />* <br />* <br /> <br />71 <br />3 <br /> <br />* <br />* <br /> <br />%FO <br /> <br />N <br /> <br />1983 <br /> <br />%T <br /> <br />65 <br />* <br /> <br />12 <br />30 <br />3 <br />7 <br />* <br />12 <br /> <br />12 <br />* <br />14 <br />1 <br /> <br />* <br />* <br />* <br /> <br />%FO <br /> <br />84 <br />3 <br />36 <br />66 <br />34 <br />48 <br />2 <br />43 <br /> <br />....... <br />N <br /> <br />2 <br />* <br /> <br />96 <br />2 <br />70 <br />77 <br />55 <br />72 <br />* <br />38 <br />2 <br /> <br />37,309 <br />24 <br />3,674 <br />24,035 <br />3,125 <br />5,308 <br />14 <br />1,129 <br /> <br />3 <br /> <br />78 <br />3 <br />52 <br />60 <br />34 <br />33 <br />2 <br />38 <br /> <br />8,311 <br />14 <br />1,605 <br />3,834 <br />369 <br />888 <br />3 <br />1,598 <br /> <br />31 <br />2 <br />27 <br />17 <br /> <br />6 <br />6 <br />1 <br /> <br />2 <br />2 <br />* <br />* <br />* <br /> <br />27 <br />25 <br />1 <br />4 <br />5 <br /> <br />1 <br />* <br /> <br />30 <br />2 <br />22 <br />17 <br /> <br />2,666 <br />32 <br />1,648 <br />986 <br /> <br />4 <br />2 <br /> <br />49 <br />3 <br />35 <br />38 <br /> <br />1,916 <br />5 <br />1,797 <br />159 <br /> <br />--------------------------------------------------------------------------------------------------------- <br /> <br />1 <br />* <br /> <br />* <br />* <br />* <br /> <br />9 <br />8 <br />1 <br /> <br />975 <br />339 <br />636 <br /> <br />* <br />* <br />* <br />* <br /> <br />14 <br />11 <br />* <br /> <br />141 <br />67 <br /> <br />4 <br /> <br />2 <br />1 <br />2 <br /> <br />34 <br />32 <br />2 <br /> <br />12 <br />12 <br />1 <br /> <br />10 <br />7 <br /> <br />322 <br />262 <br />5 <br />17 <br />38 <br /> <br />4 <br />* <br />