Feeding Frenzy at Harris

Charles and I spent a couple of hours Saturday a week ago scouting Harris for yesterday's tournament. The cold the past few nights pushed the fish deep, so our scouting did not help. We took about 30-40 screenshots so I can come home and study each one on the computer. Usually I take a combo screen with SI, DI and chart. This way I know where I am at on the lake.

I have taken hundred's of screenshots over the past few years, but never saw anything like the screenshot below. Talk about a feeding frenzy!!!! We didn't do any fishing, so not sure what is doing the feeding below. Best guess is crappie or perch.