chopped dogfish fillet (about 500 grams) • garlic, finely chopped • onion, finely chopped, plus • more finely chopped onion • vegetable oil • paprika • corn tortillas • Chipotle mayo, to taste • Yellow pickled peppers, to taste • Salsas (red or green), to taste • avocados • cilantro, cleaned, disinfected, and chopped (about 15 grams) •