Fila Brasileiro
A massive Brazilian mastiff bred for tracking and guarding, famed for intense devotion to its owner and deep distrust of strangers (ojeriza). Powerful and protective, it demands the most experienced of owners.
Fila Brasileiro scorecard
Overview
The Fila Brasileiro is a giant Brazilian mastiff bred for tracking and guarding, standing 60–75 cm at the shoulder and weighing a powerful 40–60 kg. It is a massive, heavy-boned dog with loose skin, a brachycephalic-influenced head and a famously intense devotion to its owner combined with a deep, instinctive distrust of strangers. This trait, known in Brazil as "ojeriza," is so central to the breed that it is written into the breed standard.
Important: the Fila Brasileiro is a banned breed in the United Kingdom under the Dangerous Dogs Act 1991. It is unlawful to own, breed, sell, give away or abandon one in the UK without an exemption granted by a court. This guide is provided for information only; the breed is not a dog the public can legally acquire in this country, and prospective owners should be fully aware of the law before taking any interest further.
Good to know — a Fila Brasileiro needs plenty of space and best for experienced owners. Every dog is an individual, so meet a few and chat to a good breeder or rescue before deciding.
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History & origins
The Fila Brasileiro developed in rural Brazil, where large estates and ranches needed a powerful all-purpose working dog to track livestock and game, control cattle and guard property. Its ancestry is generally traced to mastiff, bloodhound and bulldog-type dogs brought to Brazil during the colonial era, blended over generations into the imposing tracker-guardian known today.
The breed is recognised by the Fédération Cynologique Internationale, and its standard famously enshrines its sharp, protective temperament. In the United Kingdom, however, the Fila Brasileiro was named among the types prohibited under the Dangerous Dogs Act 1991, reflecting concern over the combination of its size, power and guarding instincts.
Temperament & family fit
The Fila Brasileiro is intensely loyal and devoted to its family, often forming an exceptionally strong bond with one owner. Within its home it can be calm and affectionate with the people it trusts. Towards strangers, however, the breed is innately suspicious — the ojeriza trait means many Filas are openly wary or hostile to unfamiliar people, and this is regarded as correct breed character rather than a fault.
This temperament, paired with the dog's giant size and protective drive, makes the Fila wholly unsuitable for inexperienced owners and a serious management responsibility wherever it is kept. It is not a sociable, easy-going breed, and its guarding instincts cannot be trained out; they can only be managed by knowledgeable, committed handlers in tightly controlled circumstances.
- Families with older, respectful children
- Owners ready for consistent training
- Active homes with plenty of space
Training & intelligence
Training a Fila Brasileiro demands an experienced, confident handler who can establish calm, consistent leadership and provide thorough, careful socialisation from the earliest age. Even with the best efforts, the breed's natural suspicion of strangers persists, so training focuses on control and management rather than producing an outgoing dog. Reward-based methods are appropriate, but firmness and absolute consistency are essential given the breed's power.
Because of the UK ban, none of this should be read as encouragement to acquire the breed. The breed's history with experienced owners abroad underlines that it is a specialist guardian requiring expertise, secure containment and a genuine understanding of canine behaviour and the law.
- Start socialisation & handling early
- Reward-based methods only — no harsh corrections
- Keep sessions short, calm and consistent
Exercise needs
A healthy adult Fila Brasileiro typically needs around an hour a day (roughly 60–80 minutes), split across walks, play and a little training. A good sniffy walk, some play and a little training usually keeps them content. Puppies, seniors and dogs with health conditions need adjusted amounts — check with your vet.
Grooming & coat
The Fila has a short, smooth, low-maintenance coat that needs only occasional brushing to remove loose hair. The breed's loose skin and facial folds should be checked and kept clean, and routine care of nails, ears and teeth completes a simple grooming regime.
- Brush occasionally to remove loose hair
- Bathe every few weeks or as needed
- Check ears, nails and teeth weekly
Feeding considerations
A giant breed of this size requires a complete, balanced diet formulated for large or giant dogs, fed in measured amounts to support healthy growth in puppies and maintain a lean body condition in adults. Rapid growth and overfeeding can stress developing joints, so feeding guidance from a vet is valuable. Fresh water should always be available and large meals avoided around exercise to reduce bloat risk.
Fila Brasileiro health & costs
Before bringing a Fila Brasileiro home it pays to budget for the whole picture — food, insurance, grooming and routine vet care all add up. The figures below are typical UK estimates for a healthy adult; your real costs vary with where you live, your dog's health and the cover you choose.
Food
£850–1,200 / year
Complete food sized to weight & life stage
Insurance
£45–85 / month
Lifetime cover — varies by age, breed & area
Grooming
£0–60 / year
Mostly DIY at home
Routine vet care
£200–450 / year
Vaccines, flea/worm, annual check
Like other giant mastiff-type breeds, the Fila Brasileiro is prone to musculoskeletal problems, notably hip and elbow dysplasia, and to bloat (gastric dilatation-volvulus), a life-threatening emergency more common in deep-chested dogs. Its great size is associated with a relatively short lifespan, typically around 9–11 years.
Because the breed is banned in the UK, there is very limited domestic veterinary and breeding infrastructure, and reliable breed-specific health data for British dogs is sparse. Anyone encountering the breed should rely on general giant-breed health guidance and prompt veterinary care, and be aware that the legal restrictions also affect insurance and routine care arrangements.
Common health conditions to be aware of
- Hip dysplasia — common in giant breeds; causes pain and arthritis in the hip joint
- Elbow dysplasia — developmental forelimb joint disorder leading to lameness
- Gastric dilatation-volvulus (bloat) — a sudden, life-threatening twisting of the stomach seen in deep-chested dogs; a veterinary emergency
- Panosteitis — painful inflammation of the long bones during rapid growth in large young dogs
- Heart conditions — large breeds can be predisposed to cardiac problems and should be monitored
These reflect typical, size- and coat-related risks for dogs like the Fila Brasileiro; individual breeds carry their own predispositions. Always buy from health-tested parents and speak to your vet — this isn't a diagnosis.
Protect against surprise bills
A single emergency can run into thousands. Lifetime insurance spreads the risk.
Estimate insurance →How pet insurance works →Puppy & senior care
Bringing home a Fila Brasileiro puppy
Puppies need controlled exercise (a rough guide is five minutes per month of age, twice a day) to protect growing joints, little-and-often meals of a complete puppy food, early socialisation, and a calm routine for toilet training and sleep. Book first vaccinations, microchipping and a vet check early.
New puppy checklist →Caring for a senior Fila Brasileiro
As they age, watch weight, joints and teeth, switch to a senior diet if your vet advises, keep exercise gentle but regular, and consider orthopaedic bedding and ramps. Twice-yearly vet checks help catch issues early — larger breeds age sooner, so start senior care from around 6–7 years.
Orthopaedic beds & mobility →Pros & cons
The good bits
- Intensely loyal and devoted to its family
- Low-maintenance short coat
Things to consider
- Banned in the UK under the Dangerous Dogs Act — cannot legally be kept without a court exemption
- Innately suspicious of strangers, very powerful and only for highly experienced owners
Compare the Fila Brasileiro
See how the Fila Brasileiro measures up against similar breeds before you decide:
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Frequently asked questions
Is the Fila Brasileiro banned in the UK?
Yes. The Fila Brasileiro is a banned breed in the United Kingdom under the Dangerous Dogs Act 1991. It is unlawful to own, breed, sell, give away or abandon one without an exemption granted by a court. For almost all UK readers it is simply not a dog that can legally be acquired or kept as a pet.
Why is the Fila Brasileiro banned in the UK?
The breed is restricted under the Dangerous Dogs Act 1991. The Fila is a giant Brazilian mastiff bred for guarding, with an innate, intense distrust of strangers — a trait known in Brazil as "ojeriza" that is written into its breed standard. Combined with its great size and protective drive, this led to its inclusion among prohibited types.
How big is a Fila Brasileiro?
The Fila Brasileiro is a giant breed, standing 60–75 cm at the shoulder and weighing a powerful 40–60 kg. It is a massive, heavy-boned mastiff with loose skin and a brachycephalic-influenced head, originally bred in Brazil for tracking and guarding.
What is the temperament of a Fila Brasileiro?
The Fila is intensely loyal and devoted to its family, often bonding exceptionally strongly with one owner, and can be calm and affectionate with people it trusts. Towards strangers it is innately suspicious — the ojeriza trait means many Filas are openly wary or hostile to unfamiliar people, regarded as correct breed character rather than a fault.
Can the Fila Brasileiro's guarding instinct be trained out?
No. The breed's natural suspicion of strangers persists even with thorough socialisation and experienced handling, so training focuses on control and management rather than producing an outgoing dog. This is not a sociable, easy-going breed, and its guarding instincts can only be managed by knowledgeable handlers, not removed.
What health problems affect the Fila Brasileiro?
Like other giant mastiff-type breeds, the Fila is prone to musculoskeletal problems, notably hip and elbow dysplasia, and to bloat (gastric dilatation-volvulus), a life-threatening emergency in deep-chested dogs. Because it is banned in the UK, reliable breed-specific health data for British dogs is sparse, so general giant-breed guidance applies.
How long do Fila Brasileiros live?
Their great size is associated with a relatively short lifespan, typically around 9–11 years, in line with other giant breeds. Prompt veterinary care and good preventive management help, though in the UK the legal restrictions also affect insurance and routine care arrangements.
Are Fila Brasileiros good with children?
Best with older, calm children. As a general guide, Fila Brasileiros tend to be better suited to homes with older children or no young children. Whatever the breed, always supervise dogs and young children and teach kids to interact gently.
How much exercise does a Fila Brasileiro need?
As a healthy adult, a typical Fila Brasileiro needs around an hour of exercise a day (60–80 minutes), split across walks plus play. A good sniffy walk plus some play and training usually keeps them happy. Puppies, seniors and dogs with health conditions need less — ask your vet.
Do Fila Brasileiros shed a lot?
Moderate shedding. Coat upkeep is wash-and-go — a quick brush now and then is usually enough.
Are Fila Brasileiros easy to train and good for first-time owners?
Best for experienced owners. Fila Brasileiros are best for owners ready to commit to consistent training and plenty of activity. Reward-based training and early socialisation help any dog.
Do Fila Brasileiros bark a lot?
Moderate barker. They are usually fairly easy-going about barking, though any dog will bark if bored or under-exercised.
Are Fila Brasileiros good with other dogs?
Can be selective with other dogs. Early, positive socialisation with other dogs from a young age makes a big difference.
Do Fila Brasileiros suit flats or smaller homes?
Needs plenty of space. A Fila Brasileiro really needs plenty of space and a lot of daily activity — not ideal for a small flat.
Sources
- GOV.UK — Controlling your dog in public and banned dogs: https://www.gov.uk/control-dog-public/banned-dogs
- RSPCA — Breed Specific Legislation and banned dogs: https://www.rspca.org.uk/adviceandwelfare/pets/dogs/health/breedspecificlegislation
- PDSA — Dangerous Dogs Act and the law: https://www.pdsa.org.uk/pet-help-and-advice/looking-after-your-pet/puppies-dogs/the-dangerous-dogs-act
- Blue Cross — Bloat (GDV) in dogs: https://www.bluecross.org.uk/advice/dog/health-and-injuries/bloat-in-dogs
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Every dog is an individual — temperament and needs vary. Please research thoroughly, meet dogs in person, and consider adopting from a rescue. This is general guidance, not a substitute for advice from your vet or a qualified trainer.