Icelandic Sheepdog vs Spanish Mastiff
Compare Icelandic Sheepdog 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
Icelandic Sheepdog
Spanish Mastiff
Breed type
Purebred
Purebred
Height
41 – 46 cm
72 – 85 cm
Weight
10 – 14 kg
70 – 120 kg
Life expectancy
13 – 17 years
8 – 12 years
Child friendly
3/5
4/5
Energy level
4/5
3/5
Intelligence
3/5
3/5
Trainability
4/5
3/5
Health
4/5
4/5
Grooming needs
3/5
2/5
Shedding
3/5
3/5
Barking level
4/5
3/5
Aggressiveness
2/5
3/5
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Characteristics
Icelandic Sheepdog
High energy
Easy to train
Small
Spanish Mastiff
Great with kids
Low grooming
Giant
Summary
About Icelandic Sheepdog
The Icelandic Sheepdog is Iceland’s only native spitz‑type herder, medium‑small, sturdy, and agile with a curled tail and thick double coat in varied colors. Cheerful, social, and vocal, it thrives on daily exercise, close family involvement, gentle training, and regular grooming.
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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