40-1 



30- 



0. 20- 



10- 



1000 



— 1 — 

 2000 



3000 4000 



Weight (g) 



1 



5000 



— F= 



6000 



7000 



n \ 1 \ r- 



6 8 10 



Weight (pounds) 



Figure 8. Weight-frequency histogram of the shovel nose 

 sturgeon collected in the spring of 1975 in the Tongue River. 



30 



