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About the Mastiff

Origin: Great Britain
FCI status
Recognised by FCI
FCI group
Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs
Origin
Great Britain
Known hereditary risks
Not researched yet

About

What the breed standard says

Bred for
Watch and security dog
Behaviour and temperament
A combination of grandeur and courage. Calm, affectionate to owners, but capable of guarding. Usually is unacceptable. indifferent with strangers; timidity

Quoted from FCI standard n°264. It describes the breed the registry recognises, not any individual animal.

Characteristics

Size
Exercise needs
2 of 5
Easy to train
Amount of shedding
Grooming needs
2 of 5
Good with children
Cost to keep
Tolerates being alone
Intelligence
Health of breed
Not researched yet

Pros & cons

Pros & cons for the Mastiff

What you get with the Mastiff

  • Purpose stated in the standard: “Watch and security dog”
  • The standard describes the breed as: “A combination of grandeur and courage”
  • Low grooming needs, fitting for a busy owner — the coat is “Short and close-lying, but coarse over neck and shoulders”

What you are taking on

  • Shorter-lived than a crossbred dog — median 9 years across 1849 animals, against 12

Drawn from sources rather than written as an opinion — cited health research, the registry’s own standard, and peer-reviewed longevity. FCI breed standard; McMillan et al. 2024, median age at death. One breeder’s animals can differ from any of it, and an empty column means we hold nothing for that side rather than that there is nothing to say.

Characteristics

FCI standard · Mastiff

Coat and colour

As the FCI standard sets it out. Every line below is the standard’s own wording.

Coat

Short and close-lying, but coarse over neck and shoulders

Colour

  • Preferred
  • Permissible
  • Undesirable
  • Disqualifying

Preferred, permissible, undesirable and disqualifying are FCI’s own words about the breed. They describe what the standard asks for — not an assessment of any individual dog, and not ours.

Base colour

Apricot, fawn or brindle

  • In any case, muzzle, ears and nose should be black with black around eye rims, and extending upwards between them.
  • Excessive white on body, chest or feet is unacceptable

Shortened from FCI standard n°264 — each label is the standard’s own wording with the verdict lifted into the tag beside it. Read the full clause at source.

Breed-level information from The Dog API. It describes the Mastiff in general; any individual animal can differ.

Health guide

What to ask for in a Mastiff

No breed-specific health panel has been written up for the Mastiff on this platform yet. That is a gap in our records, not a clean bill of health — ask the breeder which hereditary conditions their lines are tested for, and ask to see the results for both parents, dated and from a named laboratory.

Puppies

No puppies listed right now

No Mastiff breeder has a record on this platform yet, so there is nothing to list. That is a gap in our coverage, not a fact about the breed.

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