Very interesting-thanks for posting this.
In the past, overpopulation of sunfish has been one of the greatest problems encountered in managing the popular bass-bluegill stocking programs.
Have to wonder about this, though-unless BG were a lot more fecund in the days before global warming.
Looking into the future.....
"The Male RES/Female GSF Hybrid: A Potentially Redemptive Application of a Flawed Geneset in a Single Neglected Pond in Missouri or How I Put Egg on the Face of Yolk"
Author: Son of Sparkie
Invited Abstract Presentation, Pond Boss VII, 2016