The term 'water buffalo' is used to refer to three different species of large, hoofed mammals. The first species is the Asian Water Buffalo, which is also known by its scientific name, Bubalus arnee. The second species is the African Water Buffalo, which is also known by its scientific name, Syncerus caffer. The third species is the Carabao, which is also known by its scientific name, Bubalus mindorensis. The term 'ARNEE' is an acronym for the scientific name of the Asian Water Buffalo, while 'ARNA' is an acronym for the scientific name of the African Water Buffalo. Finally, 'CARABAO' is an acronym for the scientific name of the Carabao.