Mastiff
VS
Miniature American Shepherd
Mastiff vs Miniature American Shepherd
Compare Mastiff and Miniature American Shepherd 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
Miniature American Shepherd
Breed type
Purebred
Purebred
Height
70 – 91 cm
33 – 46 cm
Weight
75 – 110 kg
9 – 14 kg
Life expectancy
10 – 12 years
11 – 14 years
Child friendly
3/5
4/5
Energy level
3/5
4/5
Intelligence
4/5
4/5
Trainability
3/5
3/5
Health
2/5
3/5
Grooming needs
3/5
4/5
Shedding
3/5
3/5
Barking level
3/5
4/5
Aggressiveness
2/5
3/5
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Characteristics
Mastiff
Super smart
Giant
Miniature American Shepherd
Great with kids
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 Miniature American Shepherd
Compact, athletic herding dog bred in the U.S. as a smaller Australian Shepherd. Intelligent, devoted, and “velcro” with family, often reserved with strangers. Needs regular training, mental work, and exercise. Medium double coat in varied colors; generally healthy with 12–15 year lifespan.
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