Bostonterrier
VS
Mastiff
Bostonterrier vs Mastiff
Compare Bostonterrier and 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
Mastiff
Breed type
Purebred
Purebred
Height
38 – 43 cm
70 – 91 cm
Weight
7 – 11 kg
75 – 110 kg
Life expectancy
10 – 14 years
10 – 12 years
Child friendly
5/5
3/5
Energy level
3/5
3/5
Intelligence
3/5
4/5
Trainability
4/5
3/5
Health
3/5
2/5
Grooming needs
2/5
3/5
Shedding
3/5
3/5
Barking level
3/5
3/5
Aggressiveness
2/5
2/5
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Characteristics
Bostonterrier
Great with kids
Low grooming
Easy to train
Small
Mastiff
Super smart
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 Mastiff
The Mastiff is a giant, heavily built guardian dog, calm and dignified yet deeply devoted to its family. It is watchful rather than aggressive, needs gentle, consistent training, moderate exercise, and space. Its short coat is easy to maintain, but drool, health care, and costs are significant.
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