Is a cayman a crocodile or an alligator?

Neither...a cayman (caiman) is a cayman. Crocodile: Order: Crocodilia Family: Crocodylidae Alligator: Order: Crocodilia Family: Alligatoridae Cayman: Order: Crocodilia Family: Alligatoridae Subfamily: Caimaninae The cayman is more closely related to the alligator having the same family, but the cayman has a different subfamily and the genus and species are different for all three. Neither...a cayman (caiman) is a cayman. Crocodile: Order: Crocodilia Family: Crocodylidae Alligator: Order: Crocodilia Family: Alligatoridae Cayman: Order: Crocodilia Family: Alligatoridae Subfamily: Caimaninae The cayman is more closely related to the alligator having the same family, but the cayman has a different subfamily and the genus and species are different for all three. Deb McGuire http://www.hawaiipetphotos.com