FISHERY BULLETIN: VOL. 83, NO. 1 



.275 

 .250 - 



.225 - 

 .200 - 

 .175 - 

 .150 - 

 .125 

 .100 



y=0.006(x) + 0.104 

 r2 = 0.34 



•(2) 



J L 



£ .225 



I- .200 

 O 



-z. 



UJ .175 



CO 



3 .150 



LU 



d .1251- 



3 



Z 



.100 



.225 



.200 



.175 



.150 



.125 



.100 



y=0.006{x)+0.105 

 r^ = 0.32 



y=0.006(x)+ 0.114 

 r^ = 0.26 



•12) 



• (2) 



• (2) 



4 8 12 16 



NUMBER OF PRIMORDIA PER SAGITTAL OTOLITH 



Figure 5. — Geometric mean regressions of number of primordia per sagittal otolith on otolith nucleus length for steelhead 

 trout (top), rainbow trout (middle), and Capilano River Oncorhynchus tshawytscha (bottom). Trout were incubated at 9.5°C 

 and salmon at 6°C. 



86 



