>- 



CJ 



LU 



ZD 

 Q 

 LU 



a: 



u_ 



Osmerus spectrum 



Osmerus mordax 





14 



13 











6 





STANDARD LENGTH MM 



Fig. 4. Frequency of standard lengths in 50 pygmy smelt, Osmerus spectrum and 21 rainbow 

 smelt, Osmerus mordax , from Utopia Lake tributaries captured May 9, 10 and 12, 1980. 



15 



