Bostonterrier
VS
Spanish Mastiff
Bostonterrier vs Spanish Mastiff
Compare Bostonterrier and Spanish 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
Bostonterrier
Spanish Mastiff
Breed type
Purebred
Purebred
Height
38 – 43 cm
72 – 85 cm
Weight
7 – 11 kg
70 – 120 kg
Life expectancy
10 – 14 years
8 – 12 years
Child friendly
5/5
4/5
Energy level
3/5
3/5
Intelligence
3/5
3/5
Trainability
4/5
3/5
Health
3/5
4/5
Grooming needs
2/5
2/5
Shedding
3/5
3/5
Barking level
3/5
3/5
Aggressiveness
2/5
3/5
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Characteristics
Bostonterrier
Great with kids
Low grooming
Easy to train
Small
Spanish Mastiff
Great with kids
Low grooming
Giant
Summary
About Bostonterrier
The Bostonterrier is a small, sturdy, people‑focused companion with a square build and short, tuxedo‑patterned coat. Cheerful, affectionate, and adaptable, it enjoys both play and relaxing with its family. Grooming is simple, but its short nose and prominent eyes need extra health care.
About Spanish Mastiff
Large, powerful livestock guardian, calm and observant yet strongly protective. Quiet and laid back at home if well exercised, deeply loyal with family and usually reserved with strangers. Independent and thoughtful, it suits experienced owners with space, structure and early socialisation.
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