If using GSH as forage in a pond not being stocked with LMB, I'd be very careful to not over stock them. Stocking a smaller number of brooder size GSH that are just big enough to not be eaten by your largest predator fish is a good plan to avoid GSH over abundance. You can control the GSH numbers by selecting the numbers stocked. 50 to 100 brooders per acre. All YOY GSH will be vulnerable to predation. The original stocked GSH will remain your baby markers but in the controlled numbers you first stocked. If you go by stocking fry or smaller 1"-2" fish in larger numbers, before predators go in, you could see a high percentage survive and have an over abundance of adult GSH competing with your preferred species.