No, fish tacos are not usually keto-friendly. While an unbattered fish taco served on a small corn tortilla is fairly low in carbs, typically having around 12 to 15 net carbs, a battered and fried fish taco usually has around 30 net carbs. However, this recipe uses low-carb breadcrumbs for the batter and keto tortillas, coming in at only 4 net carbs per taco!