PS:
Another thought and qualification of personal experience with Florida and F-1 LMB:
My experience is based on fishing Lake Fork Texas from the initial stocking of Floridas some 20 years ago, and for many years until it became popular and overcrowded.

My experience with pond stocked natives is limited to the past three years.
We only introduced pure Floridas a year ago and 6 � 12 inch LMB are easy to catch, whatever their genetics.

Our large natives have become almost impossible to catch until my latest discovery - our LMB have become pellet trained�!

The last two weeks we have "hooked� but not landed 4, 3 lb class LMB with 5-6 bluegills lodged in their gullets, after feeder operation and ensuing frenzy.

To my surprise I have caught 2 LMB in the 3 lb class on PomPom (pellet) flies�.!