I had some LMB in the 2-3 lb range last, but then otters got in, and I haven't caught, or even seen, any large bass. I have CC and both kinds of crappie, but they've never amounted to much. I also added 30 yellow perch last year and haven't seen hide nor hair of them since. I suppose otters really like them. So, as far as predators go, I guess I have to put otters at the top of the chain.