Preheat broiler, or grill.
In a medium mixing bowl combine lemon juice, spice mix, garlic, parsley, chives and oregano. Slowly whisk in olive oil. Season to taste with salt and pepper.
Arrange fillets skin sides down in an oiled shallow baking dish. Brush fish with vinaigrette.
Broil 5 to 6 inches from heat until just cooked through, about 5 minutes.
Serve with lemon wedges.