👉 A shellfishery is a type of fishing industry that focuses on catching and selling freshwater, saltwater, or both types of shellfish. The industry typically involves the use of specialized boats and equipment to catch these marine animals, which are often caught inshore from the ocean floor. These species include oysters, clams, mussels, scallops, and sea urchins. The catch is then sold on the market for consumption by humans or for commercial purposes such as food or raw material