01 -  Preheat a skillet over medium-high heat. 
 02 -  Rub the salmon fillet with blackening seasoning on both sides. 
 03 -  Add the salmon to the hot skillet and cook for 4-5 minutes per side, or until it flakes easily with a fork. 
 04 -  Combine diced mango, red onion, jalapeño, lime juice, and chopped cilantro in a bowl. Mix well and set aside. 
 05 -  Warm the corn tortillas in a separate skillet or microwave until pliable. 
 06 -  Once the salmon is cooked, remove it from the skillet and let it rest for a minute before flaking it into large pieces. 
 07 -  Place flaked salmon on each tortilla, top with shredded cabbage and mango salsa. Add sliced avocado, if desired, and serve with lime wedges on the side.