Eight sauger were recaptured in the Tongue River that were 

 tagged at other locations during spring of the same year. Seven 

 were tagged near the mouth of the Tongue in the Yellowstone River 

 and one was tagged in the Powder River. Four sauger, all males, 

 were captured in the Powder or near its mouth during spring that 

 were tagged at other locations during spring of the same year. Two 

 were tagged in the Tongue River and two in the Yellowstone near the 

 mouth of Tongue River demonstrating some degree of interchange 

 between these two tributary spawning streams. 



Twenty-seven sauger were recaptured in the Yellowstone River 

 near Forsyth during spring after being tagged a previous year at 

 another location (Figure 14) . 



A total of 56 sauger were recaptured in the Yellowstone near 

 Miles City during spring after being tagged a previous year at 

 another location (Figure 15) . Most (82%) were recaptured during 

 the peak spawning period, March through April, and the majority 

 (70%) were mature fish. Sixteen sauger that were tagged in the 

 Tongue River during April were recaptured during May of the same 

 year in the Yellowstone near the mouth of the Tongue River. 



Other Sauger Movements 



A total of 54 tagged sauger were recaptured in the 

 Yellowstone River system during 1976 through 1980 (Table 4) . Over 

 twice as many were recaptured upstream after tagging (39%) than 

 downstream (17%). Of the fish initially tagged in the Yellowstone 

 River from the mouth of the Yellowstone River to the Tongue River, 

 the majority of those recaptured at a location other than the site 



37 



