The term 'Aquatic Mammal of Florida' can be summarized as the Manatee, which is a 7-letter word. Manatees are large aquatic mammals that inhabit the coastal waters of Florida and other parts of the southeastern United States. They are also found in the Caribbean Sea, the Gulf of Mexico, and along the Atlantic coast of Central and South America. Manatees are slow-moving animals that feed on aquatic plants and can grow up to 13 feet long and weigh up to 1, 300 pounds. They are an endangered species due to human activities such as boat strikes, fishing gear entanglement, and habitat destruction.