Wash, and dry fish filet(s) with a paper towel. Remove skin if any. Cut into bite-size junks making sure to remove any hidden fish bones.
Add all-purpose flour to a large ziplock bag or similar and then the fish, seal leaving lots of air in it and shake until evenly covered.
Crack and egg into the bag and close again making sure lots of air is sealed in and shake again.
Lastly, add 1/3 cup almond flour and shake again.
Add a splash of avocado oil to the hot pan and then add the fish to the pan one chunk at a time making sure they don't touch each other. Cook for 1 minute per side or until slightly golden and immediately remove from pan.
While cooking fish, add one tortilla at a time to the small pan for 20 seconds per side and place on plate.
Add 3-4 chunks of fish to one tortilla, top with mango salsa and enjoy!