7<xCiu 



1. Description of major sampling sections. Tongue River 13 



2. Distribution of fishes in the Tongue River by zones, 



1974 and 1975 20 



3. Summary of electrofishing samples for the Tongue River, 



fall 1974 and 1975, expressed as numbers of fish/km of stream 22 



4. Sumnary of age-class strength of smallmouth bass in the 



Tongue River, 1974-76 23 



5. Fork lengths of shovel nose sturgeon captured in the 



Tongue River in 1975 and 1976 26 



6. Weights of shovelnose sturgeon captured in the Tongue 



River in 1975 and 1976 29 



7. Estimated number of shovelnose sturgeon per km of the 



Tongue River, 1975 and 1976 34 



8. Percentage and direction of shovelnose sturgeon movement 



for May, June, and July 1976 in the lower Tongue River 46 



9. Difference between place of tagging and recapture for 

 shovelnose sturgeon from 1974-76 in the lower Tongue 



River, expressed as percentage 46 



10. Summary of tagged shovelnose sturgeon from the Tongue 



River returned by anglers, 1974-76 46 



11. Age and mean length of sauger taken in the Tongue 



River, spring 1976 48 



12. Comparison of calculated growth of Tongue River sauger 



with those from other northern waters (mm) 51 



13. Estimated populations of sauger moving into the lower 



Tongue River, spring 1976 51 



14. Average lengths and weights of catfish taken in the 



Tongue River in 1975 and 1976 55 



15. Average length and range of lengths for each age group 

 of 231 channel catfish taken below T&Y Dam on the Tongue 



River in the summer of 1975 56 



