Dr. Antonio Nores Martínez developed the Dogo Argentino in Córdoba, Argentina, starting in the 1920s, to hunt wild boar and puma in packs. He built on the extinct Córdoba fighting dog and added breeds including the Bull Terrier, Great Dane, Boxer and Pyrenean Mastiff. The result is a muscular, all-white dog of roughly 80 to 100 pounds with a short, smooth coat. The FCI recognized it in 1973, and the AKC places it in the Working Group.
Many Dogos are affectionate and playful at home yet confident, protective and strongly driven to chase, so they need consistent handling and early socialization. In Mesa, that means a secure yard, a plan for the heat and a leash on every outing. Congenital deafness tied to the white coat is a known concern, and dogs vary widely, so a dog's own temperament matters more than its breed.