Crawfish, also known as mudbugs, are freshwater crustaceans resembling small lobsters. They are commonly found in swamps, rivers, and lakes, primarily in the southern United States. Crawfish have a hard shell and are typically red or brown in color. They play an important role in their ecosystems, serving as both predators and prey. Crawfish are popular in various cuisines, especially in Louisiana cooking, where they are often boiled with spices and served at festivals. They are a key ingredient in dishes like gumbo and jambalaya. Crawfish farming has also become a significant industry, contributing to local economies.