Watchful, aloof, imposing, and intimidating: The ancient Tibetan Mastiff is the guardian dog supreme. These densely-coated giants are mellow and calm around the house, sweetly devoted to family, and aloof and territorial with strangers.

The Spanish Mastiff is a very intelligent dog, not without beauty, whose expression manifests both these qualities. Rustic, affectionate, kind and noble, he is very determined when facing dangerous animals and in front of strangers, especially when he has the opportunity to defend and protect farms or cattle. In his behaviour, one can see it […]

A centuries-old, rare breed from the Pyrenees Mountains in Spain, this livestock guardian protected flocks from wolves, bears and thieves. Today, while it is still an effective guardian, many families have found the joy of owning the gentle and loving, yet independent, Pyrenean Mastiff.

The Neapolitan Mastiff is a huge, powerful guarder whose astounding appearance has intimidated intruders since the days of ancient Rome. Wary with strangers, the profusely wrinkled Mastino is sweet, placid, and steady among loved ones.

The colossal Mastiff belongs to a canine clan as ancient as civilization itself. A massive, heavy-boned dog of courage and prodigious strength, the Mastiff is docile and dignified but also a formidable protector of those they hold dear.

Fearless at work, docile at home, the Bullmastiff is a large, muscular guarder who pursued and held poachers in Merry Old England—merry, we suppose, for everyone but poachers. Bullmastiffs are the result of Bulldog and Mastiff crosses.

Majestic. Massive. Muscular. Mastiffs are among some of the oldest breeds known to humans. They feature in legend, as well as recorded history, and were among the first canines to accompany humans on their migrations across the globe. The mastiff family is full of powerful breeds, each with its own unique personality. Mastiffs have been […]

The Bullmastiff is physically imposing, but incredibly patient and loving. Here are seven things you probably didn't know about this gentle giant: 1. They Were Bred To Be Guard Dogs The Bullmastiff was created in England in the 1860s by crossing a Mastiff with a Bulldog. The goal was to create a guard dog that […]

AKD 3.14 1890-2008   11 linear feet in 16 boxes (8 doc boxes; 1 half legal doc box; 2 cartons; 1 flat box; 1 photo box; 2 realia boxes; and 1 oversize box) and mixed collections storage Processed by Norma Rosado-Blake (2009); additions and edits by Brynn White (2016) Click here to the view complete […]

The Neapolitan Mastiff (also known as the Neo or Mastino) is a huge, heavy-boned dog with awe-inspiring features. These members of the Working Group are enormous, and the average male weighs 150 pounds, but the bigger the better. There is no other breed that looks quite like the Neo, and they can be distinguished from […]