1. Rinse and drain crab meat and remove any ligament, cartilage or shell. Shred crab meat with a fork. 2. Combine crab meat, mayonnaise, lemon juice and cayenne pepper, to taste, in a bowl. Stir to blend. 3. Spread about 1 teaspoon of crab mixture on each cracker and sprinkle with paprika. 4. Arrange 24 canapes on a large, heat-resistant, non-metallic, serving platter. 5. Heat, uncovered, in Microwave Oven 3 to 3 1/2 minutes or until heated through. 6. Serve hot. Tip: If desired, 12 canapes may be heated at a time for 1 1/2 to 2 minutes.