Season the fish with a little salt and pepper on each side
In a mixing bowl whisk together the oil, lime juice, garlic, chili powder, cumin, paprika.
Add fish to a large ziplock bag and pour the marinade over fish. Seal bag and allow fish to marinade for 20-30 minutes.
Preheat grill to medium-high heat. Brush grill grates with oil and grill fish filets for about 3-4 minutes on each side.
Add the corn tortillas to the grill and warm for about 15 seconds on each side.
Transfer fish to a plate and allow to rest for a few minutes before gently breaking into pieces.
Serve on warm tortillas, topped with cabbage, pico de gallo, sauce and other toppings.