Sprinkle spice mixture liberally on both sides of the fish.
Heat a large nonstick skillet over medium-high heat. Add oil and then fish to pan, and cook for 3 minutes on each side or until fish flakes easily when tested with a fork. When cool, flake with a fork.
Mix avocado, salt, pepper and lime juice to make guacamole.
Serve inside corn tortillas with cabbage, guacamole and salsa.
Nutrition information per serving: Calories 330; Total Fat 15; Saturated 2g; Cholesterol 55mg; Sodium 340mg; Total Carbohydrate 19g; Dietary Fiber 6g, and Protein 29.g