Sixty-seven-year-old Snooty living at the South Florida Museum in Florida, USA is the world's oldest Manatee, a species of marine mammals known as sea cows, according to the Guinness World Records. Snooty, who has featured in Guinness' 2017 edition, was brought to the museum in 1949. Snooty's longevity is based on the fact that he lives in a controlled environment.