Spanish Mastiff
VS
Miniature American Shepherd
Spanish Mastiff vs Miniature American Shepherd
Compare Spanish 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
Spanish Mastiff
Miniature American Shepherd
Breed type
Purebred
Purebred
Height
72 – 85 cm
33 – 46 cm
Weight
70 – 120 kg
9 – 14 kg
Life expectancy
8 – 12 years
11 – 14 years
Child friendly
4/5
4/5
Energy level
3/5
4/5
Intelligence
3/5
4/5
Trainability
3/5
3/5
Health
4/5
3/5
Grooming needs
2/5
4/5
Shedding
3/5
3/5
Barking level
3/5
4/5
Aggressiveness
3/5
3/5
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Characteristics
Spanish Mastiff
Great with kids
Low grooming
Giant
Miniature American Shepherd
Great with kids
High energy
Super smart
Small
Summary
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.
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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