Salt fish refers to fish that has been preserved through the process of salting. This method helps to inhibit the growth of bacteria, allowing the fish to be stored for longer periods without refrigeration. Common types of fish used for salting include cod, herring, and mackerel. Salt fish is a staple in many cuisines around the world, particularly in regions like the Caribbean and Scandinavia. It is often rehydrated before cooking and can be used in various dishes, such as stews, fritters, and salads, adding a unique flavor and texture to meals.