BATH and O'CONNOR: BIOLOGY OF WHITE PERCH IN HUDSON RIVER KSHAkY 



Age- Frequency Distribution 

 Total # Fish = 1959 (May-June 1970) 



Standard Length (mm] 



Figure 3.— Age-frequency distribution of white perch during May and June 1970. 



Length - Frequency Distribution 



Total # Fish -5987 (July -November 1970) 



Slandard Length (mm 



FIGURE 4.— Length-frequency distribution of white perch during July to November 1970, and for mature males 



and females during this same period. 



603 



