That's why you clean them, take the big white chunks of meat, put it in a blender with some mayonnaise, lemon juice, cilantro, and onion if you want ; blend until mixed. Make balls and put on wax paper, refrigerate for 1 hour, smash into patties, coat with bread crumbs, and dunk it in some hot oil.Actually, catfish are the trash filters. Carp are herbivorous. I'm not much of a fish eater, but the complaint I've always herd is that they are very bony.