How long does a Bullmastiff live?

The Bullmastiff has a life span of 8–10 years.

How big does a Bullmastiff get?

Males weigh 50–59 kg and females 45–54 kg. Height ranges from 61–69 cm.

Is the Bullmastiff hypoallergenic?

No, the Bullmastiff is not considered hypoallergenic.

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Bullmastiff

Working Group

Height 64–69 cm 61–66 cm
Weight 50–59 kg 45–54 kg
Life span 8–10 years
Exercise 45 min/day

alert
fearless
docile
loyal
protective
affectionate

The Bullmastiff is in the AKC's Working Group. It comes from United Kingdom, England (19th century). Males weigh 50–59 kg and females 45–54 kg. It stands 61–69 cm tall. It typically lives 8–10 years. It is not considered hypoallergenic.

The Bullmastiff is a large and powerful breed of dog that was originally bred in England for guarding and protecting property. They are intelligent, loyal, and protective, and make excellent guard dogs.

Group: Working Group
Origin: United Kingdom, England (19th century)
Coat: short · fawn, red, and brindle
Also known as: Gamekeeper's Night Dog
Recognized by: AKC, FCI, UKC, KC
Hypoallergenic: No
Id: a5c3be17-6557-4438-9801-badee2d63419

Traits

Energy
Trainability
Barking
Grooming
Shedding
Drooling
Good with children
Good with dogs
Good with strangers
Apartment friendly

Every rating runs from 1 to 5 against dogs in general, so a 3 is an average dog rather than an average Bullmastiff. They are researched estimates, not measurements.

Researched from bullmastiff.us showsightmagazine.com ukcdogs.com whatsmydogbreed.com

Bullmastiff FAQ

How long does a Bullmastiff live?: The Bullmastiff has a life span of 8–10 years.
How big does a Bullmastiff get?: Males weigh 50–59 kg and females 45–54 kg. Height ranges from 61–69 cm.
Is the Bullmastiff hypoallergenic?: No, the Bullmastiff is not considered hypoallergenic.
What group is the Bullmastiff in?: The Bullmastiff is in the AKC's Working Group.

More from the Working Group

Every breed in this group →

Similar in size

This page, as API data

Everything above came from https://dogapi.dog/api/v2/breeds/a5c3be17-6557-4438-9801-badee2d63419. No key, no sign up. See it in the reference.

Request

curl -s "https://dogapi.dog/api/v2/breeds/a5c3be17-6557-4438-9801-badee2d63419"

Response

{
  "data": {
    "id": "a5c3be17-6557-4438-9801-badee2d63419",
    "type": "breed",
    "attributes": {
      "name": "Bullmastiff",
      "description": "The Bullmastiff is a large and powerful breed of dog that was originally bred in England for guarding and protecting property. They are intelligent, loyal, and protective, and make excellent guard dogs.",
      "life": {
        "max": 10,
        "min": 8
      },
      "male_weight": {
        "max": 59,
        "min": 50
      },
      "female_weight": {
        "max": 54,
        "min": 45
      },
      "hypoallergenic": false,
      "male_height": {
        "max": 69,
        "min": 64
      },
      "female_height": {
        "max": 66,
        "min": 61
      },
      "origin": {
        "era": "19th century",
        "region": "England",
        "country": "United Kingdom"
      },
      "coat": {
        "type": "short",
        "colors": [
          "fawn",
          "red",
          "brindle"
        ],
        "length": "short"
      },
      "traits": {
        "energy": 2,
        "barking": 2,
        "drooling": 5,
        "grooming": 2,
        "shedding": 2,
        "temperament": [
          "alert",
          "fearless",
          "docile",
          "loyal",
          "protective",
          "affectionate"
        ],
        "trainability": 3,
        "good_with_dogs": 3,
        "exercise_minutes": 45,
        "apartment_friendly": 3,
        "good_with_children": 4,
        "good_with_strangers": 2
      },
      "other_names": [
        "Gamekeeper's Night Dog"
      ],
      "recognized_by": [
        "AKC",
        "FCI",
        "UKC",
        "KC"
      ],
      "sources": [
        {
          "url": "https://bullmastiff.us/about-the-breed/akc-breed-standard/",
          "title": "AKC Breed Standard – The American Bullmastiff Association"
        },
        {
          "url": "https://showsightmagazine.com/dog-breeds/bullmastiff/",
          "title": "Bullmastiff Dog Breed and Characteristics"
        },
        {
          "url": "https://www.ukcdogs.com/bullmastiff",
          "title": "Breed Standards : Bullmastiff | United Kennel Club (UKC)"
        },
        {
          "url": "https://www.whatsmydogbreed.com/bullmastiff",
          "title": "Bullmastiff Dog Breed Information | Breed Health And Care"
        }
      ],
      "images": [
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          "medium": "https://images.dogapi.dog/1x8zrfi3rztj34gcv8dp2ycwcncy",
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          "attribution": {
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        },
        {
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          "attribution": {
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          }
        },
        {
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          "attribution": {
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            "license_url": null,
            "source": "wikimedia_commons",
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          }
        },
        {
          "id": "5d6b99aa-7a29-477a-895e-54f75c39cf24",
          "url": "https://images.dogapi.dog/1vn8f6c0nfwsc3mhe5ezub7qkayf",
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          "large": "https://images.dogapi.dog/fd1l1hfq5kb6qo5cwv3nhts4u8cb",
          "attribution": {
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            "source": "wikimedia_commons",
            "source_url": "https://commons.wikimedia.org/wiki/File:Bullmastif_g%C5%82owa_LM980.jpg"
          }
        },
        {
          "id": "39de1ca7-400b-4854-91ff-e093b1b3b656",
          "url": "https://images.dogapi.dog/vql3h3c7lj0zcs6wp1bnl6qvuze3",
          "thumb": "https://images.dogapi.dog/qe2ip7ni2cu6mz5mtordcymwcs5k",
          "medium": "https://images.dogapi.dog/xodwio5zs68peksuobq1ofw7furc",
          "large": "https://images.dogapi.dog/5z40rkvfwu9a01gv4ht41cc5kynz",
          "attribution": {
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        },
        {
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          "medium": "https://images.dogapi.dog/n38xrqj4ok1gvr5mdqa33n3fbb2u",
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          "attribution": {
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        },
        {
          "id": "70c5fe54-fc0b-45e6-a47d-448be628d487",
          "url": "https://images.dogapi.dog/aq3gskae9332y5x8ylpb1iyty24g",
          "thumb": "https://images.dogapi.dog/jg62ij36iarx64dbsnmt2ypunpqv",
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          "attribution": {
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            "source": "wikimedia_commons",
            "source_url": "https://commons.wikimedia.org/wiki/File:Bullmastiff_(13).jpg"
          }
        },
        {
          "id": "1d97366e-874e-4a7b-8181-70fe18c54f1e",
          "url": "https://images.dogapi.dog/o0g43lqwslqy778eev442u8mscz2",
          "thumb": "https://images.dogapi.dog/eyyzriat1y7mw3jijrjf87wxuwf4",
          "medium": "https://images.dogapi.dog/69mzx2dqjcdgmrygfl0s2h3npjzu",
          "large": "https://images.dogapi.dog/nfx4ydz1zu0nykqbj97qy3b3lqrs",
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        },
        {
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          "thumb": "https://images.dogapi.dog/10b3um9x5wlx32k0u304tjugibe7",
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        {
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    },
    "relationships": {
      "group": {
        "data": {
          "id": "56081cf0-fdf2-4114-9bf7-23a3f5b6af91",
          "type": "group"
        }
      }
    }
  }
}

The picture itself also has an endpoint: https://dogapi.dog/api/v2/breeds/a5c3be17-6557-4438-9801-badee2d63419/image, which redirects straight to the file. See it in the reference.