Shellfish is a culinary term used for edible marine invertebrates which bear an exoskeleton like lobsters, mussels, clams, scallops, shrimp, crayfish, crabs and winkles. Archaeological studies suggest that Shellfish have been used in food preparations for a long time. In Japan it is used to prepare various dishes like Sushi and Sashimi, it is also used in the American cuisine, especially lobster, shrimps, clams and crayfish. In the Northeast portion of U.S clamming is an important industry while in the Southeast shrimping is more important. In many religious traditions eating of Shellfish is prohibited like Sunni schools of thought and the Jewish dietary laws. Some popular Shellfish recipes are Shellfish Gazpacho, Shellfish Minestrone and Shellfish Saffron Soup.