I would have left the stickleback out, they are very good at hiding in places that predators can't get to. I don't think the will be a problem but they will take up some biomass that could be better used elsewhere.
Hey Shorty,
You bring up an interesting point. The stickleback are more elusive than the FHM. I am wondering whether that is a bad thing or a good thing. Once the FHM have been ravaged by hungry predators, is it good too have some minnows a little harder to catch left in reserve? Also, do stickleback reproduce in a pond? I always thought of them as a shallow stream fish.