48 Fun Facts About English Mastiff

The English Mastiff holds what distinction among all living dogs?

It is the largest by mass: a male can outweigh a grown man, yet the Kennel Club and AKC breed standards never mention weight, asking only for size combined with soundness.

What did the Romans reportedly ship Britain's big mastiff-type dogs back to Italy to do?

Fight in the arena: they were matched against bears, lions and even gladiators, and at home the same taste for blood sport long set Mastiffs on bulls, bears and lions.

Which colour feature must every English Mastiff display, whatever its coat colour?

A black mask: the AKC standard wants the muzzle, ears and nose 'the blacker the better', and a dog whose mask lacks dark pigment is faulted in the show ring however fine its coat.

As of 2025, how does Britain's Kennel Club class the Mastiff?

Vulnerable native breed: the Kennel Club keeps that list for British and Irish breeds with fewer than 300 puppies registered a year, and the Mastiff managed just 104 in 2020.

Famous stone reliefs in the British Museum show the heavy mastiff-type hunting dogs of which ancient empire?

Assyria: its kings used the dogs to hunt lions, but any family link to the English Mastiff is guesswork.

For all its bulk, an adult Mastiff needs comparatively little of what?

Exercise: most adult Mastiffs are couch potatoes happy with a daily walk, yet the dozing giant is bolt upright the moment a threat appears.

The Greek historian Strabo reported that the Britons' exported hounds were used by the Celts for what?

War: Strabo knew the hounds as natural hunters, and the Roman poet Grattius thought British dogs plain to look at but better than the famed Molossians when bravery was called for.

Medieval forest law let commoners keep a Mastiff only if what was done to it?

Its front feet were maimed: the practice, known as lawing, cut away claws or toes so that a commoner's dog was too lame to run down the king's deer.

The word 'mastiff' probably comes, through Old French mastin, from a Latin word meaning what?

Tame: the Latin was mansuetus, so the name probably first marked a dog that stayed about the house, a watchdog, long before it came to mean a giant.

Which English poet wrote of mastiff-like 'alaunts' that were 'as great as any steer'?

Geoffrey Chaucer: in The Knight's Tale more than twenty white alaunts, tightly muzzled and wearing gold collars, run beside the chariot of Lycurgus, king of Thrace, bred to hunt the lion.

What earned England's Mastiff-type guard dogs the old name Bandogs?

Being kept tied up: a 'band' was a chain or tether, and the dogs spent the day on it before being let loose at night to guard the estate.

Legend says Sir Piers Legh's Mastiff stood guard over its wounded master for hours at which battle?

Agincourt: the dog was carried home to Lyme Hall in Cheshire, and the kennel said to descend from it became one of the two old strains behind today's Mastiffs.

Mastiffs owe much to two strains: the Leghs' at Lyme and the Duke of Devonshire's where?

Chatsworth House: an Edwardian breed history traced every Mastiff of its day to these two kennels, though breeders also bred in outside blood when the breed ran low.

Which 1835 Act of Parliament outlawed the baiting sports that had employed aggressive Mastiffs?

The Cruelty to Animals Act banned bull- and bear-baiting and dog fights, so the Mastiff's job narrowed to guarding country estates and town businesses.

In which of the AKC's seven groups is the Mastiff shown?

Working: the AKC says the Mastiff was bred to be a guardian of 'hearth and home', and Britain's Kennel Club lists it in its own Working group too.

By the British standard, a Mastiff's head seen from any angle should give what general shape?

Square: the muzzle is cut off blunt at a right angle to the face, and the lips hang just far enough to square off the profile.

The Mastiff was crossed with the Bulldog to create a night dog for catching whom?

Poachers: the cross became the Bullmastiff, still nicknamed the Gamekeeper's Night Dog, bred to pursue an intruder in the dark and hold him.

Breeders of the 1880s used the champion Mastiff Crown Prince so heavily that what soon became almost impossible?

Finding an unrelated dog: he passed on his faults along with his fashionable short head, and both the breed's soundness and its popularity slumped in the years after him.

Written with a small 'm', what does the word 'mastiff' cover, as the AKC uses it?

A whole family of breeds: giant guard dogs called mastiffs turn up from Tibet to Naples, while the capital M marks the one British breed, whose official name has resisted every attempt to add 'English'.

With few Mastiffs left in Britain after World War II, breeders rebuilt the breed with puppies from where?

North America: breeders there had bought British stock in better times, so the dogs they sent back after 1945 returned the breed's own bloodlines to its homeland.

Why did virtually all Mastiff breeding in the British Isles stop during World War II?

Rationing of meat: owners barely had enough to feed themselves, and by the summer of 1939 leading breeders had already found new homes for most of their dogs, knowing a kennel of giants could not be fed.

Why should a Mastiff sleep on a soft bed, not a hard floor?

To spare its elbows: a heavy dog on hard floors grows calluses and fluid-filled swellings called hygromas over the bone, which the AKC tells owners not to let a vet drain.

A dog of which French breed was once registered as a Mastiff to add new blood?

Dogue de Bordeaux: after two world wars left the Mastiff close to dying out, breeders at times reached for other giant breeds to widen a very small gene pool.

The English Mastiff is on average slightly heavier than which other giant breed?

The Saint Bernard: the two giants overlap widely in weight and are old kin, since Saint Bernards are said to have been bred into the Mastiff to add new blood.

The AKC Mastiff standard says the dog's height should come from depth of body rather than what?

Length of leg: the same standard faults any male under 30 inches at the shoulder, so a Mastiff must stand high without being leggy, which a 1910 guide called 'very undesirable'.

What are long-haired Mastiffs, produced by a recessive gene, called?

Fluffies: the long coat is recessive, so two short-coated parents can produce one, and the AKC standard lists a long or wavy coat as a fault.

In Mastiff coat genetics, which pattern is dominant over solid colour?

Brindle: one copy of the striping gene is enough to show, so as a rule two brindle Mastiffs can still have plain puppies, but two plain ones cannot have a brindle.

Which part of a Mastiff's skeleton do breed clubs ask owners to have X-rayed before breeding?

The hips: hip dysplasia, a badly fitting socket, is one of the breed's main problems, and when it first caused alarm the Old English Mastiff Club set up a fund to help members pay for X-rays.

Why do most Mastiff owners keep a cloth within reach around the house?

To wipe up drool: the AKC says owners call the flung ropes 'slingers' and mop them off the dog's face, their own clothes and their visitors'.

By the breed standard, what appears on a Mastiff's forehead when its attention is caught?

Marked wrinkles: the British standard wants the forehead flat until 'attention is excited', and counts heavy wrinkle or loose skin at rest against a mature dog.

Sydenham Edwards wrote in 1800 of seeing a Mastiff answer a terrier's bite by doing what?

Pinning it down: the Mastiff put the terrier down with a paw 'without offering further injury', in the passage that opens 'What the Lion is to the Cat the Mastiff is to the Dog'.

The AKC sums up the Mastiff as a combination of grandeur and good nature, courage and what?

Docility: an odd thing to ask of a breed once set on bulls and bears, yet the Old English Mastiff Club's early points used the very same phrase.

The Mastiff's nine-year lifespan reflects which trait, thought to best predict how long dogs live?

Body size: big species usually outlive small ones, but among dogs it runs the other way, and a 2024 UK study put the Mastiff's median at nine years against twelve and a half overall.

Why is hard running discouraged during a Mastiff's first two years?

To protect its growing joints: the growth plates are easily damaged while this fast-growing giant fills out, so owners are told to avoid stairs, jumps and long walks for young dogs.

Why are Mastiffs fed two or three smaller meals a day instead of one big one?

To lower the risk of bloat: in deep-chested dogs a stomach swollen with food and gas can twist and cut off its own blood supply, a life-threatening emergency.

Which danger to newborn puppies is a special hazard in Mastiff litters?

Being smothered or crushed by the mother: a 1910 dog manual already warned that clumsy Mastiff bitches were apt to kill whelps by lying on them, and advised keeping a foster mother ready.

In the film The Sandlot, the fearsome English Mastiff living behind Mr. Mertle's fence is known as what?

The Beast: the boys picture a monster that swallows every ball hit over the fence, but once freed from under the fallen fence he licks Smalls's face and leads them to his hoard of baseballs.

In The Sandlot, whose autograph is on the ball Smalls hits over the fence into the Mastiff's yard?

Babe Ruth: Smalls borrows his stepfather's prized ball without knowing who Ruth was, and the dog's blind owner later swaps the chewed remains for one signed by the whole 1927 Murderers' Row.

In The Adventure of the Copper Beeches, what is the starved Mastiff let loose at night called?

Carlo: kept half-starved so that he would savage trespassers, he instead sinks his teeth into his own master Rucastle's throat, and Watson has to shoot him.

In the 2010 film Marmaduke, the elderly English Mastiff Chupadogra, or Buster, is voiced by whom?

Sam Elliott: his Chupadogra is feared for supposedly eating his owner, but he turns out to be a lonely old runaway whose water bowl still reads 'Buster'.

Which Latter Day Saint leader owned a great mastiff called Old Major?

Joseph Smith, Jr.: given the dog on the 1834 Zion's Camp march, he told a follower who threatened to kill it, 'If you kill that dog I will whip you.'

Which Newbery Medal winner wrote the children's series Henry and Mudge, featuring a Mastiff?

Cynthia Rylant: she began the series in 1987 with an only child whose new puppy grows into an enormous dog, and six years later won the Newbery Medal for Missing May.

How does the Mastiff standard describe the body's length compared with its height?

Longer than it is tall: the AKC standard calls the outline rectangular and the Kennel Club's asks for a body that is broad, deep and long, so a short-backed Mastiff counts as a fault under both.

By the breed standard, how should a Mastiff's small ears lie when the dog is relaxed?

Flat against the cheeks: they are set at the highest points of the skull's sides so that, lying close, they carry its broad outline straight across the top.

The AKC standard says which quality, 'rather than gaiety', is the Mastiff's correct demeanor?

Dignity: the standard tells judges to mark down shyness and viciousness alike, and warns them just as firmly against rewarding mere showiness.

The AKC warns that doing what in training will easily hurt a Mastiff's feelings?

Raising your voice: the AKC calls the giant a quick but sensitive learner that reads faces closely, so it advises praise and several short, varied sessions a day instead.

How do the AKC and vets describe a typical Mastiff's attitude to strangers?

Reserved and wary: centuries as a guard dog left the Mastiff cool with newcomers, which is why the AKC and vets alike call early socialisation essential.

In The Sandlot 2, the English Mastiff nicknamed 'the Great Fear' is called what?

Goliath: the sequel's kids fear him after a model space shuttle lands in his yard, only to learn he just wanted out to visit the dog next door.