Heat outdoor grill to medium hot
Combine all spices (reserving 1 teaspoon of it for the crema)
Rub spices on fish fillets
Place fish fillets (skin side down) on mesh screen.
Place on medium hot grill and cook until fish flakes easily with fork. Approximately 8-15 minutes depending upon thickness of fish.
Remove fish from grill and flake with fork.
Top warm corn tortillas with fish, finely shaved slaw, pineapple salsa.
Drizzle with crema