Those fish are chasing shad. I haven't caught as many fat smallies as I did on Sunday, all were barfing up bait and their stomachs looked like they were going to explode. Probably one of the best days I've ever had smallie fishing. I don't even wanna know how many we boated, but I did count 10 fish on 10 casts. Had to upsize my offering as well, Buckshot spoons were definitely too small. When you think you're presentation is too big, go bigger. A few bonus walleyes as well.
Glad it worked out for you man!