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positively identified as fish originally stocked in the study sites and four more were ~ probable (Table 2 and Appendix A, Table 5). These 23 fish comprise 56% of the razorback sucker caught in the Green River in 2000 (Table 2). Three of the 23 razorbacks were caught in breach traps during connection and three others were previously PIT tagged during in situ sampling (Table 3). Four fish were originally PIT tagged in Baeser Bend and two in Above Brennan. Three of the fish were caught in the ~ Duchesne River near the Green River confluence. The other three were caught in the Green River at river miles 300.0 (Rkm 484.0)1 Rm upstream from Ashley Creek, 259.4 (Rkm 403.5)1 Rm upstream from Old Charley Wash and 277.8 (Rkm 447.0) 2 Rm from ~ The Stirrup site (Table 3 and Figure 1). The average distance a fish traveled from the point of origin was 20.3 Rm (32.7 Rkm) (Table 3). During abundance estimate sampling for Colorado pikeminnow (Hawkins 1999) i and northern pike removal in 2001 (Christopherson 2000b), 148 individual razorback sucker were caught in the Green River (Table 2 and Appendix A, Table 6). Seventy- ~ one of these razorbacks were positively identified as fish originally stocked in the floodplain and twenty more were probable (Table 2 and Appendix A, Table 6). These fish comprise 61 % of the razorback sucker caught in the river during 2001 (Table 2). ~ Three of these ninety one razorbacks caught in the river, had been previously caught in breach traps leaving sites during connection and fourteen others were previously PIT ~ tagged during in situ sampling (Table 4). Nine fish were originally tagged at Above Brennan, seven at Baeser Bend and one at The Stirrup (Table 4). Four of the fish were caught in the Duchesne River near the Green River confluence. Four were caught by ~ USFWS personnel in the Green River at Moon Bottom (228.8 Rm, 368.1 Rkm), Peter's 18