Max. Height: varies. Max. Weight: none in water. Habitat: anywhere in water. Society: solitary or in groups of 10 or more. Diet: mostly seaweed. Language: english, mer. Attack Methods: drag underwater. Your Defense: keep away from deep water, loower merperson onto land. Facts: A merperson has the torso of a human & the tail of a fish. A mer person can turn you into one of them by pulling you underwater & blowing air into your mouth. This is a merwoman: This is a merman: