Pond Boss Forums MANAGING AN EXISTING POND Corrective stocking Green Sunfish problem

GSF likely came in with the ditch water that was used to fill the pond - a common occurrence. They will grow fast in a new pond that has lots of invertebrate foods. And they do eat small fish as you witnessed. NP will eat lots of other fish including any smaller bass that are eventually stocked. If he really doesn't want any GSF then renovation with rotenone is the only solution besides draining. No way to get every male & female of GSF out of the pond.

LMB at higher densities of smaller bass can keep the GSF pretty well controlled and few in number since LMB seem to prey on GSF harder compared to other sunfishes.