✓ Verified · Reviewed datavaries by registry
Neapolitan Mastiff
Working breed from Italy
Breed overview
Reviewed · Database recordAbout the Neapolitan Mastiff
The Neapolitan Mastiff is a giant working breed from Italy, known for its massive size, heavily wrinkled face, and loose skin. Its temperament is described as protective, loyal, calm, confident, and affectionate. Energy levels are low (score 2/5), and trainability is moderate (score 3/5). Grooming needs are low (score 2/5), but shedding is moderate (score 3/5). Suitability with children is moderate (score 3/5), while compatibility with other dogs is lower (score 2/5). Apartment suitability is also low (score 2/5). Estimated adult height ranges from 66 to 79 cm, weight from 60 to 91 kg, and lifespan from 7 to 9 years. These measurements are modelled estimates, not verified. Recognition status varies by registry.
Quick facts
Neapolitan Mastiff at a glance
Sizegiant
Breed groupWorking
OriginItaly
Lifespan7–9 years
Male weight60–91 kilogram
Female weight60–91 kilogram
Male height66–79 centimetre
Female height66–79 centimetre
Origin and history
Where the breed comes from
The Neapolitan Mastiff is an ancient Italian guardian breed, with origins in Italy. According to one source, it is descended from Roman molossus war dogs. The modern breed was refined in the Naples region, where it served as an estate and farm guardian. It was revitalized in the mid-20th century as a distinct breed. However, specific dates, historical events, and the exact timeline of its development are not provided in the available facts. The breed's history is based on general accounts, and some details may be uncertain or vary among sources.
Physical characteristics
Structured dataSize, build and coat
Female
60–91 kilogramAdult weight66–79 centimetreAdult heightCoat typesPendingCoat colorsPendingRecognitionvaries by registryData methodai assisted draft
Temperament
Typical breed tendencies
Protectiveloyalcalmconfidentaffectionate
Breed tendencies are general guidance. Individual behavior depends on genetics, socialization, training, health and environment.
Exercise, training and maintenance
1–5 methodologyDaily care profile
Lower exercise demand
Moderate compared with other breeds
Lower coat-maintenance demand
Moderate compared with other breeds
Family suitability
Home and household fit
Supervise every dog–child interaction.
Introductions and socialization still matter.
Exercise, enrichment and noise tolerance affect fit.
Climate suitability
Modelled tendency · low confidence
Modelled tendency · low confidence
Modelled tendency · low confidence
A general morphology-based tendency. Individual dogs still require shade, shelter, water, acclimation and weather-appropriate activity. Method: climate-morphology-v1.
Health overview
Veterinary sources requiredHealth considerations
No Neapolitan Mastiff-specific screening programme or peer-reviewed disorder-prevalence study is currently attached to this profile. This is not evidence that the breed has no health risks. Owners should use routine preventive veterinary care and discuss screening appropriate to the individual dog's history, examination and family line.
Veterinary disclaimer: This profile is educational and does not replace examination, diagnosis or treatment by a veterinarian.
Feeding overview
Nutrition and feeding
Research in progress
Reviewed feeding guidance will appear after an approved source is imported and editorially reviewed.
Decision support
Potential advantages and challenges
Potential advantages
- Commonly described as loyal.Supported by temperaments.loyal: true
Potential challenges
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Growth chart
Neapolitan Mastiff puppy growth
Modeled estimates
Open interactive chart From puppy weight to adult size
Compare male and female growth, check weight by age and estimate mature size.
Adult male weight60–91 kilogramAdult female weight60–91 kilogramGrowth modeladult-range-size-model-v1
Preview only. Open the complete chart to adjust age, current weight and measurement units.
Frequently asked questions
Common questions
What is the size and lifespan of a Neapolitan Mastiff?
The Neapolitan Mastiff is a giant breed. Estimated adult height is 66–79 cm, weight 60–91 kg, and lifespan 7–9 years. These are modelled estimates and not verified.
What is the temperament of a Neapolitan Mastiff?
The breed is described as protective, loyal, calm, confident, and affectionate. However, individual dogs may vary, and not every dog will display all these traits.
How much exercise does a Neapolitan Mastiff need?
Energy level is low (score 2/5), so exercise needs are relatively low. However, all dogs benefit from regular, moderate activity.
What are the grooming requirements?
Grooming needs are low (score 2/5), but shedding is moderate (score 3/5). Regular brushing can help manage loose hair.
Is the Neapolitan Mastiff good for apartment living?
Apartment suitability is low (score 2/5). Due to its giant size and protective nature, it may be better suited to a home with space.
Is the Neapolitan Mastiff good with children and other dogs?
Child suitability is moderate (score 3/5), but compatibility with other dogs is lower (score 2/5). Supervision and early socialization are important.
Where does the Neapolitan Mastiff originate?
The breed originates from Italy. It is an ancient guardian breed, possibly descended from Roman molossus war dogs, and was refined in the Naples region.
Data transparency
✓ Published · VerifiedSources and review status
APIThe Dog API ↗The Dog API Terms of Service (effective 2023-07-01)
VETERINARY SOURCEWSAVA Global Nutrition Guidelines and Toolkit ↗Copyright; factual citation and original summary only
Image source: The Dog API. Last reviewed 7/20/2026.