Mastiff
dignified / good-natured / courageous
This breed is documented in our authoritative identity sources. Available care facts appear below; a detailed editorial guide is still in preparation. Photography availability is shown separately.
Photo: Fido Factor from USA · CC BY-SA 2.0. Resized and cropped. Photo details
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Breed Also documented as: Gentle Giant.
The breed at a glance
- Official name
- Mastiff
- Origin / registry attribution
- Great Britain
- AKC origin attribution
- England
- Group
- Working Group
- Original purpose
- Unknown
- Height
- 30 inches & up (male), 27.5 inches & up (female)
- Weight
- 160-230 pounds (male), 120-170 pounds (female)
- Typical lifespan
- 6-10 years
- Coat type
- Double
- Coat length
- Short
- Shedding
- Moderate
- Drooling
- High
- Barking
- Very low
- Grooming
- Very low
- Exercise needs
- Moderate
- Mental stimulation
- Moderate
- Trainability
- Moderate
- Children
- Very high
- Other dogs
- Moderate
- Cats / small pets
- Individual assessment required; breed suitability unknown
- Apartment adaptability (editorial)
- Unknown
- First-owner suitability (editorial)
- Unknown
- Climate
- Unknown; individual veterinary advice recommended
Measurements, coat facts, and trait ratings: AKC Mastiff breed guide. Origin classifications can differ between registries; both attributions are retained where available. Apartment and first-owner ratings are editorial planning estimates.
A history that shapes daily life
Unknown. A source-reviewed breed history has not yet been written for this record.
History and breed background: AKC Mastiff breed guide.
Coat care & everyday routines
Detailed care guidance is under review. Consult the breed source and a veterinarian before making an ownership decision.
Reported coat colors: Apricot, Brindle, Fawn. Color listings reflect the source registry and do not establish health, temperament, or show eligibility.
Exercise duration, living-space guidance, and experience suitability are unknown for this record. Available trait ratings are general tendencies rather than promises.
Coat and care source: AKC Mastiff breed guide.
Health conversations worth having
Commonly reported health conditions have not yet received an editorial review. The source and any available screening recommendations below are a starting point for discussion with a veterinarian.
Screening listed by the source breed club
- Patella Evaluation
- Hip Evaluation
- Elbow Evaluation
- Cardiac Exam
- Ophthalmologist Exam
- Cystinuria DNA Test
- Autoimmune Thyroiditis
- Dominant Progressive Retinal Atrophy (dPRA) (Bullmastiff/Mastiff Type) DNA Test
- Degenerative Myelopathy (Common Variant) (DM) - DNA Test
- Canine Multifocal Retinopathy Type 1 (CMR) DNA Test
Health screening does not guarantee an individual dog will be free of disease. These lists are not a diagnosis or an exhaustive account of possible conditions.
Health source: AKC Mastiff breed guide · Parent breed-club health statement.
A realistic monthly care budget
$165–$330 USD per month · adult-dog planning estimate.
- Food
- $55–$100
- Routine veterinary reserve
- $60–$125
- Parasite prevention
- $20–$40
- Grooming & coat supplies
- $10–$25
- Treats, toys & replacement supplies
- $20–$40
Editorial U.S. adult-dog planning ranges, reviewed October 1, 2026. Routine veterinary care is averaged across the year. Local prices and individual health needs vary. Excludes purchase or adoption, initial supplies, insurance, emergency and specialist care, boarding, daycare, training classes, and pet rent. Sources inform care categories; these breed estimates are not supplier quotes.
AKC: lifetime dog-care costsASPCA: planning for pet-care costs
Sources & research status
- FCI breed nomenclature: Mastiff · checked 2026-10-01
- AKC Mastiff breed guide · checked 2026-10-01
- FCI official breed standard
- Data coverage, editorial estimates, and matching methodology
General breed tendencies do not guarantee individual behavior. Children need supervision; existing pets need careful introductions. Meet the dog and discuss individual health and care needs.