Crayfish, also known as crawfish or freshwater lobsters, are small crustaceans that resemble small lobsters and are similar in taste to shrimp. They are typically found in freshwater environments and are popular in cuisines throughout the world, particularly in Southern United States, West Africa, and Southeast Asia. Crayfish are a good source of protein, omega-3 fatty acids, and other nutrients. They are often used in soups, stews, and as a flavoring agent in dishes.