Preheat Oven To 500 Degrees F (260 Degrees C). In A Large Bowl, Mix The Cornmeal, Salt And Pepper. Dip The Catfish In The Cornmeal Mixture; Coating Well. Place Catfish On A Flat, Greased Baking Sheet. Pour The Oil Over The Fish. Bake In The Preheated Oven For 15 Minutes Or Until Catfish Flakes Easily When Tested With A Fork. Sprinkle With Pecans Toward The End Of The Cooking Period. Garnish With Lemon Wedges And Parsley Sprigs.