In small bowl, combine lemon juice and melted margarine. In medium bowl, combine bread crumbs, pepper, salt and parsley. Add half of the lemon/margarine mixture to bread crumb mixture. Mix well. Add paprika to lemon/margarine mixture and coat fish.
Broil fish for about 10 minutes or until fish flakes with fork.
Top fish with the bread crumb mixture and return to broiler for about 2 minutes or until heated through and crumbs are browned.
Remove and serve.