English Mastiffs, known for their size and gentle temperament, can weigh up to 200 pounds and make excellent family dogs.
Tibetan Mastiffs were originally bred to defend livestock in Tibet and are extremely loyal and protective of their owners.
Neapolitan Mastiffs are easily identified by their wrinkled skin and massive bulk. They are well-known for their devotion to their masters.
Bullmastiffs were bred to protect gamekeepers from poachers and are renowned for their bravery and loyalty. They make great family pets and can be quite protective of their owners.
This breed, also known as Fila Brasileiro, is renowned for its intelligence and loyalty. They were initially bred in Brazil to hunt jaguars.
Pyrenean Mastiffs are gentle giants that make excellent family companions. They were originally raised as livestock guardians in the Pyrenees mountains.
The Dogue de Bordeaux is an unmistakable breed, with unique wrinkles and massive size. They are renowned for their devotion and affection.
Known for their independence and fierce devotion, Spanish Mastiffs make excellent livestock guardians as well as wonderful family pets.
Cane Corsos are extremely intelligent and loyal dogs that were originally bred to hunt wild boar. They make great guard dogs as well as household pets.
American Mastiffs are loyal and affectionate family pets that were bred to be a gentler form of the English Mastiff. They are renowned for their gentle nature and calm demeanor.