Economic shellfish

Tags: mollusc | shellfish

Economic shellfish usually refer to molluscs from which people get high profit in shellfish industry. Some of them provide rich source of protein, such as edible shellfish, cultured shellfish and trapped shellfish. Others produce pearls like pearl oysters. Their products can be further divided into two groups according to the water quality of their environment, which are freshwater pearls and saltwater pearls. Still others like abalones, top shells and turban shells have specially developed nacreous layers that can be utilized in many ways. Some shellfish even offer decorative shells for shell relics. They are all shellfish with high economic value.