1, which is impossible, because it contains a lot of microorganisms and bacteria, especially since it is dead. High temperature heating may not remove bacteria.

2. Ivory mussel (scientific name: Panopea abrupta): the biological name is Pacific cement clam, also known as emperor mussel and goddess mussel, and the seafood trade name is "Ivory mussel". Mytilus is the largest known burrowing bivalve, with a shell length of about 18-23 cm, a water pipe that can extend out of 1.3 m, and cannot be retracted into the shell, and its weight can reach 3.6 kg. It is a large shellfish of the genus Clam. Mainly distributed in the east coast of the United States and Canada.

3. Morphological characteristics: the shell is thin and brittle, and the two shells are small and usually equal. The front end of the shell has serrated teeth, and the back, abdomen and back end of the back shell have auxiliary shells. The water pipe is extremely developed, and the thick water pipe cannot be completely retracted into the shell. Some parts left outside the shell are as long as 10cm, which are shaped like trunk, hence the name "elephant mussel".