Mastiff
VS
Shetland Sheepdog
Mastiff vs Shetland Sheepdog
Compare Mastiff and Shetland Sheepdog 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
Shetland Sheepdog
Breed type
Purebred
Purebred
Height
70 – 91 cm
35 – 37 cm
Weight
75 – 110 kg
6 – 12 kg
Life expectancy
10 – 12 years
12 – 13 years
Child friendly
3/5
3/5
Energy level
3/5
4/5
Intelligence
4/5
5/5
Trainability
3/5
3/5
Health
2/5
4/5
Grooming needs
3/5
4/5
Shedding
3/5
5/5
Barking level
3/5
5/5
Aggressiveness
2/5
2/5
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Characteristics
Mastiff
Super smart
Giant
Shetland Sheepdog
High energy
Super smart
Small
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 Shetland Sheepdog
The Shetland Sheepdog is a small to medium, agile herding breed with a dense double coat and striking colors. Bright, sensitive, and very people focused, it bonds closely with family, is reserved with strangers, excels in dog sports, and needs regular grooming, daily walks, and mental exercise.
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