BlindSquirrel,
Did you can them whole, with the bones? I've never seen a recipe for perch, but have seen them for bluegill. My grandma used to make them using smelt (back when we still had smelt in Wisconsin), and that was excellent. I love sardines too, but I really like the fishy taste. Might have to give it a try anyway. Could you post the recipe for me?
thanks,
kc17