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