Pond Boss Forums GENERAL QUESTIONS Help Blue Gill die off

The retreating ice got thin enough on my older pond this afternoon for me to see a dozen or so dead BG on the South side. The ones close enough to inspect have been dead awhile.

There are no morts apparent in my newer pond.

Tomorrow I should have less/no ice and enough time (plus no thunderstorms or 60 mph winds) to check all the way around the pond and net out many of the corpses. I am interested in seeing if anything but BG died.