Fecundity of Catostomus commersonii
Main Ref: Geen, G.H., T.G. Northcote, G.F. Hartman and C.C. Lindsey, 1966
Country: Canada
Locality: Frye Creek, British Columbia
Absolute Fecundity Fecundity Type: 
  min     (g) (cm)   Ref: Hugg, D.O., 1996
  max   50,000 (g) (cm)  
  mean     (g) (cm)  
Comments on Fecundity:
Relative Fecundity
Min: Ref.:
Mean: Ref.:
Max: Ref.:
Fecundity/length relationship ( F = a * L ^b):
  Size: (cm)  
  a: 95% confidence limit:  
  b: 95% confidence limit:  
Spawning Cycles: (1/y)   Ref:
Comments: Spawning migration begins when stream temperature reaches 10°C; usually between noon and midnight, but mostly during the evening hours. The sex ratio of migrating individuals varies with time. Spawning occurs over gravel or silt bottoms.
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