Sealyham Terrier
VS
Pyrenean Mastiff
Sealyham Terrier vs Pyrenean Mastiff
Compare Sealyham Terrier 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
Sealyham Terrier
Pyrenean Mastiff
Breed type
Purebred
Purebred
Height
30 – 31 cm
71 – 78 cm
Weight
8 – 9 kg
75 – 81 kg
Life expectancy
12 – 14 years
11 – 13 years
Child friendly
4/5
4/5
Energy level
4/5
3/5
Intelligence
4/5
3/5
Trainability
3/5
3/5
Health
4/5
3/5
Grooming needs
3/5
3/5
Shedding
1/5
3/5
Barking level
4/5
3/5
Aggressiveness
2/5
3/5
Characteristics
Sealyham Terrier
Great with kids
High energy
Super smart
Small
Pyrenean Mastiff
Great with kids
Giant
Summary
About Sealyham Terrier
Compact Welsh terrier bred for hunting but affectionate and calm at home. Sturdy, low body with a distinctive white double coat, beard and eyebrows needing regular grooming. Intelligent, independent and moderate in exercise needs, it suits engaged families; the breed is now relatively rare.
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.
Similar breeds
More breeds
