female walleye

How Old Is A 25 Inch Walleye? Generally, female walleye which are 25 inches long are about 10 years old, and 30 inch females are in the range of 20 years old. How old is a 25 walleye? Length (inches) Typical Female Age (Yrs) Typical Male Age (Yrs) 24 7 11 25812-20 26 9 27