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Table 15. Incidence of fish species in 54 ponds prior to and following removal of all fish through nonnative fish control <br />treatments. Of 54 ponds that were re-sampled following control treatments, 35 (29 - Colorado River and 6 - Gunnison <br />River) had re-invaded with nonnative fish and two of the 35 also contained native fish. <br />Fish Species Pre- Nonnative Fish Control Post- Nonnative Fish Control <br /> Colorado River Gunnison River Total Colorado River Gunnison River Total <br />Nonna tive Fish <br />Grass car 2 2 <br />Red shiner 1 1 <br />Common car 25 6 31 1 1 2 <br />Goldfish 1 1 <br />Sand shiner 2 1 3 2 2 <br />Fathead minnow 10 2 12 8 5 13 <br />Redside shiner 9 9 <br />White sucker 12 3 15 1 1 <br />Black bullhead 19 4 23 6 6 <br />Channel catfish 2 1 3 <br />Trout 3 2 5 <br />Plains killifish 2 2 <br />Mos uitofish 2 2 1 1 <br />Green sunfish 33 7 40 21 5 26 <br />Blue ill 15 15 <br />Smallmouth bass 1 1 <br />Largemouth bass 25 3 28 2 2 <br />Black crappie 10 10 <br />Yellow perch 4 4 <br />Native Fish <br />Roundtail chub 2 2 <br />Flannelmouth sucker 2 1 3 1 1 <br />33