Scallops, also known as St. James' shells, are bivalve molluscs very common in the Adriatic Sea. Scientific description: Pecten Jacobaeus Its natural habitat is made up of sandy bottoms or bottoms with debris. The scallop is fished all year long, especially during winter months, with bottom towed instruments and bottom trawls; this species does not survive long once out of the water. Scallops are the most consumed shellfish in the world following oysters and mussels. They contain a fair amount of proteins, B vitamins and are low in fat.