The parts that mussels can't eat are gills and shells, and other parts can be eaten, but eating mussels should also be taboo.

Don't eat with beer and fruits rich in vitamin C. Don't drink beer when eating mussels, and don't eat fruits rich in VC. These are basically seafood. The black viscera of mussels can't be eaten, it's the lungs of mussels, otherwise it will affect the delicacy of mussels. Mytilus is a kind of mollusk, and its meat can be eaten, and it can also be used as bait for fish and poultry, and as feed for poultry and livestock. In the natural environment, mussels generally live in muddy rivers, lakes, ponds and streams.