Mastiff
VS
Flat Coated Retriever
Mastiff vs Flat Coated Retriever
Compare Mastiff and Flat Coated Retriever 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
Flat Coated Retriever
Breed type
Purebred
Purebred
Height
70 – 91 cm
56 – 61 cm
Weight
75 – 110 kg
25 – 36 kg
Life expectancy
10 – 12 years
8 – 14 years
Child friendly
3/5
5/5
Energy level
3/5
3/5
Intelligence
4/5
5/5
Trainability
3/5
5/5
Health
2/5
2/5
Grooming needs
3/5
4/5
Shedding
3/5
3/5
Barking level
3/5
2/5
Aggressiveness
2/5
2/5
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Characteristics
Mastiff
Super smart
Giant
Flat Coated Retriever
Great with kids
Super smart
Quiet
Easy to train
Large
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 Flat Coated Retriever
Flat Coated Retrievers are medium‑large, athletic gundogs with sleek black or liver coats and friendly, puppy‑like attitudes. Energetic, people‑oriented, and highly trainable, they need plenty of exercise, positive training, close family life, and attentive health care.
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