Sour fish is a traditional dish found in various cultures, particularly in Southeast Asia. It typically features fish that is marinated or cooked with sour ingredients, such as tamarind or lime juice, which give it a tangy flavor. The dish can be prepared in different ways, including grilling, steaming, or simmering, and is often served with rice. In some regions, sour fish is enjoyed as part of a larger meal, accompanied by vegetables and sauces. It is popular for its refreshing taste and is often paired with spicy side dishes. Variations of sour fish can be found in cuisines like Thai and Filipino.