The Baja Fish taco is built around fried or grilled fish in a tortilla with shredded lettuce and taco toppings. Customer descriptions mention both a crisp fried version and a grilled fish preparation, giving diners two different textures and levels of richness. The fried version emphasizes a fish-stick-like crunch, while the grilled option is lighter and more restrained. The dish appears as a named menu item with a listed price and specific customer commentary.