esshup, I guess I was hoping that perhaps I could establish a long-term, self-sustaining forage base comprised of FHM alone, if I were able to provide enough protective structure and breeding substrate for them. But, based on your comments here, it would seem that those hopes were not practical. If I truly need GSH to support the SMB, what would you suggest as an upper limit for my stocking density in order to provide adequate SMB forage, while concurrently minimizing the prospect of having a horde of oversized adult GSH taxing my pond’s carrying capacity at some point in the future?