Mastiff
Dog•Extra Large•6-10 years lifespan
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Courageous, dignified, and good-natured. Low grooming needs.
Age Conversion Chart
1
years old
15
human years
juvenile
3
years old
30.5
human years
adult
7
years old
56.5
human years
senior
10
years old
76
human years
senior
Breed Characteristics
Size & Lifespan
- Size Class: Extra Large
- Expected Lifespan: 6-10 years
- Species: Dog
Care Requirements
Courageous, dignified, and good-natured. Low grooming needs.