Of Spanish origin, this dog measures between 48cm and 55cm for forty pounds. This is a very muscular and powerful dog, without having a heavy silhouette. Its hair is short and glossy, black or brindle color. This is an intelligent and courageous dog who will make a great guard dog for your home, it will be very protective of the family. Warning: it is generally used as a defense dog, in fact it can be very aggressive.