I can promise you they will prefer one over the other depending on what's going on.

When I was a kid I was fishing below the dam one night and wasn't catching much but a guy next to me was just killing the them. When he left he give use his minnows and we started catching them. I don't remember whitch one's he had because that was years ago but it makes a difference for sure. I can recall many other times this happened to.

I liked the smaller tuffies in winter and summer but spring i seemed to do better on shiners. Shiners really do better right after the spawn when they want a bigger meal. Your mileage may vary

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