Newfoundland
VS
Spanish Mastiff
Newfoundland vs Spanish Mastiff
Compare Newfoundland 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
Newfoundland
Spanish Mastiff
Breed type
Purebred
Purebred
Height
65 – 71 cm
72 – 85 cm
Weight
52 – 68 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
4/5
3/5
Trainability
4/5
3/5
Health
2/5
4/5
Grooming needs
4/5
2/5
Shedding
5/5
3/5
Barking level
3/5
3/5
Aggressiveness
2/5
3/5
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Characteristics
Newfoundland
Great with kids
Super smart
Easy to train
Giant
Spanish Mastiff
Great with kids
Low grooming
Giant
Summary
About Newfoundland
The Newfoundland is a giant, water‑loving working dog with a dense, heavy‑shedding coat and notable drooling. Calm, loyal, and gentle with children, it needs close family contact, kind training, moderate exercise, careful grooming, space, and proactive health care for joints, heart, and bloat.
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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