Great Pyrenees
VS
Pyrenean Mastiff
Great Pyrenees vs Pyrenean Mastiff
Compare Great Pyrenees and Pyrenean Mastiff side by side and get a clear picture of what sets the breeds apart. Explore differences in size, weight, temperament, activity level, and other key traits to more easily decide which breed best fits your lifestyle and circumstances.
Characteristic
Great Pyrenees
Pyrenean Mastiff
Breed type
Purebred
Purebred
Height
65 – 80 cm
71 – 78 cm
Weight
34 – 60 kg
75 – 81 kg
Life expectancy
10 – 12 years
11 – 13 years
Child friendly
5/5
4/5
Energy level
3/5
3/5
Intelligence
4/5
3/5
Trainability
3/5
3/5
Health
2/5
3/5
Grooming needs
4/5
3/5
Shedding
5/5
3/5
Barking level
3/5
3/5
Aggressiveness
3/5
3/5
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Characteristics
Great Pyrenees
Great with kids
Super smart
Giant
Pyrenean Mastiff
Great with kids
Giant
Summary
About Great Pyrenees
Large, calm livestock guardian from the Pyrenees, the Great Pyrenees is a powerful white, heavy‑shedding dog with a thick coat and double dewclaws. Gentle yet strongly protective, it needs secure fencing, steady socialization, mental stimulation, and experienced, patient handling.
About Pyrenean Mastiff
Large Spanish livestock guardian, the Pyrenean Mastiff is a giant, steady dog with a dense white coat and dark patches. Calm, observant and deeply loyal, it’s affectionate with family yet reserved with strangers, needing space, firm but gentle training, and experienced ownership.
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