Answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Mediterranean mussel -  The Mediterranean mussel scientific name Mytilus galloprovincialis is a species of bivalve a marine mollusc in the family Mytilidae. It is an invasive species in many parts of the world and also an object of aquaculture.
Answer:
Animal