Question: Tresus capax is a species of saltwater clam marine bivalve mollusk common name the fat gaper in the family Mactridae. It also shares the common name horse clam with Tresus nuttallii a species which is similar in morphology and lifestyle. Both species are somewhat similar to the Geoduck (Panopea generosa which is in the family Hiatellidae) though smaller with shells up to eight inches long (20 cm) weight to 34 lb (1.41.8 kg). Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Animal