shovelnose sturgeon, and blue sucker) were taken only during the spring 

 sampling near the mouth and are considered to be migrant species. 



Qualitative distribution of these species is shown in table 2. Grouping 

 by sections, though it obscures the variation encountered, illustrates 

 broad trends of the stream. Moutain whitefish and brown trout are confined 

 to the upstream zone. 



TABLE 2. Distribution of fishes in the Tongue River by zones, 1974 and 1975. 



NOTE: Common names of fishes used correspond to those presented by the 

 American Fisheries Society (1970). Corresponding scientific names are given 

 in appendix C. 



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