Rub fish with lemon, and season with salt and pepper.
Heat oil, and add bread crumbs, parsley and garlic.
Spread 1/2 the mixture on bottom of shallow baking pan.
Arrange fish on top, cover with remaining crumbs and sprinkle with lemon juice.
Bake in preheated 400Ã‚Â°F. oven 5 minutes.
Add sherry, and bake 10 minutes longer, basting occasionally, until fish flakes.