Spanish Mastiff

Also called Mastín Español, Mastín Extremeño and Mastín Leonés

  • Great with kids
  • Needs space
  • Hard to train

The Spanish Mastiff is a large and powerful breed of dog that was originally bred in Spain for herding and guarding livestock. They are intelligent, loyal, and protective, and make excellent working dogs.

Weight
115–243 lb (52–110 kg)
Height at the shoulder
28–35 in (72–90 cm)
Life span
10–12 years
Exercise
About 40 minutes a day
Coat
Medium
Origin
Extremadura and Castile-León, Spain (ancient, first written standard 1946)

Traits

Family and friends

  • Children: Good with children
  • Other dogs: OK with other dogs
  • Strangers: Reserved with strangers

Home and activity

  • Energy: Calm
  • Apartment living: Not suited to apartments
  • Barking: Barks sometimes
  • Training: Hard to train

Care

  • Grooming: Little grooming
  • Shedding: Sheds moderately
  • Drooling: Drools a lot

Temperament

Affectionate with family Calm Independent Noble Protective Territorial

Coat colours

Black, brindle, fawn, parti-color/spotted, red, wolf grey and yellow

Males and females

MeasureMalesFemales
Weight 198–243 lb (90–110 kg) 115–220 lb (52–100 kg)
Height 30–35 in (77–90 cm) 28–33 in (72–85 cm)

Recognized by

Fédération Cynologique Internationale (FCI) and United Kennel Club (UKC)


Caring for a Spanish Mastiff

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Veterinarians

Check-ups and vaccinations through its 10–12 years.

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Dog trainers

Can be stubborn: a trainer helps from the start.

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Pet sitters

Someone to look after it while you’re away.

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Breeds of a similar size

All giant breeds
A Broholmer
Giant

Broholmer

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  • Weight:88–154 lb (40–70 kg)
  • Life span:8–10 years
A Caucasian Shepherd Dog
Giant

Caucasian Shepherd Dog

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  • Weight:99–220 lb (45–100 kg)
  • Life span:15–20 years
An Estrela Mountain Dog
Giant

Estrela Mountain Dog

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  • Weight:77–132 lb (35–60 kg)
  • Life span:12–14 years

Sources

Breed details from The Dog API (opens in a new tab).