Mastiff
VS
Landseer
Mastiff vs Landseer
Compare Mastiff and Landseer 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
Mastiff
Landseer
Breed type
Purebred
Purebred
Height
70 – 91 cm
67 – 80 cm
Weight
75 – 110 kg
57 – 61 kg
Life expectancy
10 – 12 years
8 – 12 years
Child friendly
3/5
3/5
Energy level
3/5
2/5
Intelligence
4/5
3/5
Trainability
3/5
4/5
Health
2/5
3/5
Grooming needs
3/5
3/5
Shedding
3/5
4/5
Barking level
3/5
3/5
Aggressiveness
2/5
3/5
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Characteristics
Mastiff
Super smart
Giant
Landseer
Easy to train
Giant
Summary
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.
About Landseer
The Landseer is a giant, black‑and‑white water rescue and companion dog, calmer and more athletic than a Newfoundland. Gentle, people‑oriented and usually excellent with children, it needs space, regular grooming, steady training, and active owners willing to handle drool, mud and shedding.
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