The mouth is different: the alligator's mouth is very slender and sharp. Although the mouth of an alligator is sharp, it is not as long as an alligator, nor as sharp as an alligator.

Different body types: Alligators are smaller, and their adult body length is only about 0.5 meters. Crocodile eels are slightly larger and can grow to about 2 meters in length in adulthood.

Living environment is different: Chinese alligator can only live in fresh water, while crocodile eel can live in fresh water and salt water.