Bullmastiff
VS
Portuguese Water Dog
Bullmastiff vs Portuguese Water Dog
Compare Bullmastiff and Portuguese Water Dog 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
Portuguese Water Dog
Breed type
Purebred
Purebred
Height
61 – 69 cm
43 – 57 cm
Weight
41 – 59 kg
16 – 25 kg
Life expectancy
8 – 10 years
12 – 15 years
Child friendly
5/5
5/5
Energy level
3/5
5/5
Intelligence
3/5
4/5
Trainability
2/5
4/5
Health
3/5
3/5
Grooming needs
2/5
4/5
Shedding
3/5
1/5
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
Portuguese Water Dog
Great with kids
High energy
Super smart
Easy to train
Medium
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 Portuguese Water Dog
The Portuguese Water Dog is a sturdy, medium‑sized, low‑shedding water lover with a curly or wavy coat. Intelligent, people‑oriented and energetic, it needs regular grooming, daily training, and plenty of exercise and swimming, thriving as an active, closely involved family companion.
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