Cook fish sticks as directed on package. Heat tortillas as directed on package.
In medium bowl, combine mayonnaise, cilantro and taco seasoning mix; mix well.
Carefully cut each warm fish stick into 3 or 4 pieces. Spread one side of each tortilla with mayonnaise mixture. Top half of each with warm fish sticks, lettuce and tomato. Fold untopped side over filling. Serve with taco sauce.