Food plays the biggest role. Fish that are in high food density water, specifically oily fatty fish like shad chubs and shiners, will grow much faster and larger than those living off of panfish fry and bugs.

There is one lake in Minnesota where the fish growth is incredible. Biologists are studying it regularly trying to figure out why the fish grow up to 10 times faster than water 5 miles away. They have netted 20"+ walleye that are 2 years old (typical 2yr old is about 11"). And 12" crappies also two years old (typical 2yr old is 7" in mn). Is called Cannon Lake if anyone wants to look it up. Remember this is a lake that is sub 40 deg water temp for 6 months as well.



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