I once read a Striper study that said in over 6000(I believe it was) stripers studied only a handful of striper had Crappie in their stomachs. This was said because it wasn't their natural forage & that shad were. I know however that they can be opurtunistic feeders as well as Bass or any other game fish can be. Catfish will eat Crappie as well, but you don't hear them getting bashed like Stripers do.