Sinaloa's version is typically chopped much finer than ceviches elsewhere in Mexico and is often eaten with saltine crackers instead of tortilla chips, a habit locals trace to the state's mid-20th-century seaside food stands.
Diced raw fish or shrimp is 'cooked' in lime juice, then mixed with tomato, onion, cilantro, and cucumber into a finely chopped, almost soupy mix. Beachfront stands in Mazatlán scoop it into cups to eat on the go with crackers.