One of the largest, most muscular breeds. Gentle giants prized as guard dogs.
Stocky, robust dogs bred for cattle herding. Devoted companions and protectors.
Although controversial, these agile, sturdily built dogs are quite affectionate with people.
An Italian mastiff breed valued as guard dogs. Muscular and intimidating in appearance.
Known for signature wrinkles and hefty, thickset frame. Sweet temperament.
Energetic, powerful athletes yet gentle and playful. Often used as working or guard dogs.
Known for speed, strength and imposing stature. Intelligent and loyal personality.