Rinse the fish, pat it dry with paper towels, and place it on a nonreactive platter. Squeeze the lime juice over the skin, and rub the fish inside and out with garlic, salt, and pepper. Cover and refrigerate at least 1 hour.

To prepare the stuffing, soak the bread in the milk in a small bowl. In a medium-size skillet over low heat, heat the oil and butter until fragrant, then cook the onion, bell pepper, tomato, garlic, and ham, stirring, until the onion is tender but not brown, 6 to 8 minutes. Add the sherry, Worcestershire, and parsley, mix thoroughly, remove from the heat, and allow to cool slightly. Squeeze the bread to remove the excess milk, stir into the mixture, and add salt and pepper.

Preheat the oven to 375 degrees. Drain the fish and reserve the marinade (there will be a small amount). Stuff the fish with the stuffing mixture, arrange the shrimp and lobster slices on top of the stuffing, and sew up the pocket with needle and thread or secure with toothpicks or skewers. Transfer the fish to a shallow baking pan lined with well-oiled aluminum foil, allowing for enough overlap to pick up the fish. If the tail does not fit in the pan, wrap it in foil. Pour the reserved marinade over the fish, drizzle with a bit of oil, place in the oven, and bake, uncovered, until the fish flakes easily when pierced with a fork, about 1 hour. For an even crisper skin, place in a preheated broiler for the last 3 to 4 minutes of cooking time. Transfer the fish carefully to a serving platter, remove the thread, toothpicks, or skewers, and serve hot. Makes 4 to 6 servings