To marinate the fish, combine oil, lemon juice, paprika, cayenne pepper, cumin, and salt. Add the fish fillet and coat well. Marinate for at least 30 minutes.
Meanwhile make the sauce by combining the yogurt, mayonnaise, lemon juice, paprika, and salt. Mix them until creamy and smooth and set aside.
Combine the “to make slaw” ingredients in a bowl and set aside.
Heat a skillet and place the marinated fish. Sear the fish and cook for 3-5 minutes until the fish is completely done. Remove the fish fillets to a plate and break them into chunks.
To assemble the tortillas; char the corn tortillas on an open flame. Place the tortilla on a plate, add some chunks of fish, add a tablespoon of slaw and drizzle the prepared sauce on top.
Garnish with jalapenos and cilantro before serving.