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Table 13. Incidence of fish species in 71 ponds, located along the Colorado and <br />Gunnison rivers, prior to nonnative fish control treatments (69 reclamations, 1 black <br />plastic, 1 water management). <br />Fish Species Colorado River Gunnison River Total <br />Nonnative Fish <br />Grass carp 4 2 6 <br />Red shiner 2 2 <br />Common carp 32 7 39 <br />Sand shiner 4 2 6 <br />Fathead minnow 12 4 16 <br />Redside shiner 10 10 <br />White sucker 18 4 22 <br />Black bullhead 23 4 27 <br />Channel catfish 3 1 4 <br />Trout 3 2 5 <br />Plains killifish 2 2 <br />Mosquitofish 3 3 <br />Brook stickleback 1 1 <br />Green sunfish 46 9 55 <br />Bluegill 18 18 <br />Smallmouth bass 1 1 <br />Largemouth bass 32 4 36 <br />Black crappie 13 14 <br />Yellow perch 4 4 <br />Native Fish <br />Roundtail chub 2 2 <br />Flannelmouth sucker 6 1 7 <br />Table 14. Determination of the presence or absence of fish in 54 ponds, three to 38 <br />months following removal of all fish through nonnative fish control treatments. <br />Number of Months from Control to Number of Ponds <br />Post-Treatment Sampling Reinvaded Void of Fish Dry <br />3 3 1 <br />7 2 <br />8 5 1 <br />9 1 <br />11 1 <br />12 1 <br />14 2 <br />15 1 <br />16 1 <br />18 1 2 <br />21 3 <br />22 3 <br />23 1 <br />24 6 1 <br />26 4 1 <br />31 5 2 <br />33 1 3 <br />37 1 <br />38 1 <br />Tctal 35 12 7 <br />32