I've seen 'wolfpacks' of hungry Bass herding small fish into the shallows many times. And that was with BG as the forage. And yes, every so often one would make a strafing run while the rest maintained the perimeter.
Me too, I could watch them all day. Everytime we get questions on the forum about stunted and skinny bass I see them in my minds eye, corralling and eating those BG day after day after day, until there's just not much left. Really hard to overcome that degree of predation by building the forage base alone.
