Elephant-braided mussels and razor clams are not related, not a species, and different sizes. Razor clam: a marine shellfish. Mollusks. Between the two shells, the shape of the narrow and long, outside the egg yellow, inside the white, living in the seawater near the shore, can also be artificially cultivated, meat flavor. There are razor clams, bamboo razor clams and other species. The Canadian mussel, also known as the Pacific submerged clam, the emperor clam, the goddess clam, is the Far East, including the Chinese and Japanese people revered as a high-level seafood to eat. It originates from the North Pacific coast of the United States and Canada. Because of its large and succulent red tube, it is known as "elephant trunk clam". It is the world's longest surviving and largest cave clam. It can bury itself in the seabed up to one meter deep. 1996, the Chinese market began to cultivate.