I think Blue Backs were introduced to Lake Lanier in Gainsville Ga. a few years ago and I think they are thriving quite well. But I was unsure about ponds. I am trying to find a forage fish that does not grow past about 10 or 12 inches so the bigger bass can have a meal bigger than a 5 inch thread fin shad. The thread fin shad in our pond are plentiful but I don't think they are quite enough. Any suggestions ?