Bullmastiff
VS
Spanish Mastiff
Bullmastiff vs Spanish Mastiff
Compare Bullmastiff 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
Bullmastiff
Spanish Mastiff
Breed type
Purebred
Purebred
Height
61 – 69 cm
72 – 85 cm
Weight
41 – 59 kg
70 – 120 kg
Life expectancy
8 – 10 years
8 – 12 years
Child friendly
5/5
4/5
Energy level
3/5
3/5
Intelligence
3/5
3/5
Trainability
2/5
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
4/5
3/5
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Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Spanish Mastiff
Great with kids
Low grooming
Giant
Summary
About Bullmastiff
Large, powerful guardian originally bred to catch poachers, the Bullmastiff is calm, confident and deeply loyal, often bonding closely with one person. It has a short, low‑maintenance coat, needs space, consistent early training and socialisation to guide its natural protectiveness.
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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