Spanish Mastiff

Spanish Mastiff dog


Spanish Mastiff At a Glance

Country of Origin:


Breed Group:

AKC (FSS: Working); ANKC (Utility); FCI (Molossoid); UKC (Guardian)


Giant. Weight: 90–220 lbs Height: 28.5.5–31.5 inches


Short and dense.


Immaterial, Although Yellow, Fawn Red, Black, Wolf-colored most appreciated

Life Span:

10 to 11 years

Breed Profile

Affection Level
Barking Tendencies
Cat Friendly
Cold Weather Tolerance
Exercise Needs
General Health
Grooming Needs
Hot Weather Tolerance
Kid Friendly
Shedding Level
Social Needs
Watchdog Ability

Did You Know?

There are two types of Spanish Mastiffs: the Mastin Pesado or Heavy Mastiff, and the Mastin Ligero or Light Mastiff.

Spanish Mastiff Overview

Like other Mastiffs, the Spanish Mastiff is an ancient breed thought to come from the Molosser dog, a breed found as far back as 2000 BC. This dog breed is a flock-guarding dog and works well as a guardian still to this day. He has also had alternative jobs as a draft dog, pulling carts and bringing supplies to homes and fighters of the Spanish Civil War.


Spanish Mastiff Characteristics

This dog breed features the large, stocky body of other Mastiff types, but has a unique look to his head and neck. Spanish Mastiffs feature a larger amount of folds and extra skin around the head and neck, giving them an almost Shar-Pei look but in giant size. The large skin folds can help when fighting off predators on farms or the flock, but can also house infection and drool.


Spanish Mastiff Temperament

As a guardian breed, they can be dignified, aloof and calm. He is devoted to his family and may also accept strangers if socialized from puppyhood. Towards other dogs, however, he can be aggressive and does not do well in small or urban situations with other animals and pets in close proximity. The loud voice and large size can also be problematic in small areas.


Miniature Pinscher

Spanish Mastiff Care

The Mastiff is a giant-sized dog and lives on average 10 to 11 years. Health concerns include enostosis (bone lesions), entropion, heart issues and hip dysplasia. Their large size also makes them prone to bloat, or gastric dilation and volvulus. Good care and preventive veterinary medicine can be key to a longer life.


Spanish Mastiff Coat

Their coat is easy to care for and weekly brushing will help remove dead hair and reduce shedding. In dogs with a very large number of skin folds around the neck and head, care should be taken to clean the folds regularly to prevent debris or infection from occurring.


Spanish Mastiff Training

One of the most important training aspects for this dog breed is socialization. This is a breed that needs to be socialized from puppyhood to avoid him becoming aloof and aggressive toward strangers. His intelligence and easy motivation can help him to learn quickly, but sessions should be kept short to prevent boredom.


Spanish Mastiff Activity

Long daily walks are enough to keep them in shape, however, a fenced yard or large piece of property is ideal for keeping him happy and in shape. Games that challenge the mind and body will also help prevent boredom and aid in socialization. Despite their large size, they need little activity compared to other giant breed dogs.

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