Mix the ingredients for the slaw together and set aside.
Combine the sauce ingredients and chill in the fridge.
In a large deep pan over medium-high heat, heat the avocado oil.
Season the fish filets on both sides until well coated. Carefully place the fillets in the pan. Cook for 3-4 minutes on each side, carefully flipping to cook on all sides, until the fish easily flakes. Set aside.
Assemble the tacos with the fish, slaw, sliced avocado, drizzle with the sauce. and serve with lime wedges on the side!