from what op said, it sounds like they were neutral. just looking at bait and moving on. when that's the case, I add weight to the rig so it limits their movement. clip tails or even slit them a bit. makes them easier to catch or seem vulnerable in my thinking. when that don't work start your down sizing or move on. sounds like he did rite but they weren't having none of it. was probably on a "community hole" or just missed the feed time that day.