Lifespan: American alligator: 30 – 50 years
Higher classification: Alligatorinae
Mass: American alligator: 230 kg, Chinese alligator: 36 kg
Length: American alligator: 3.4 – 4.6 m, Chinese alligator: 1.5 m
An alligator is a crocodilian in the genus Alligator of the family Alligatoridae. The two living species are the American alligator and the Chinese alligator. In addition, several extinct species of alligator are known from fossil remains.