Eight years is considered the average lifespan for a bullmastiff. In general, larger
breeds have shorter lifespans than smaller breeds.
Bullmastives are large dogs. Most large dogs live to be between seven and ten years old. Rarely do they live past ten tears old.
The life span of an Anatolian Shepherd is 10 - 13 years.
On average, Australian Shepherds live about 12.5 years.
The life span of a Tibetan Mastiff is 11 - 14 years.
at least one year
12 - 16 years is excellent.
The Dogo Argentino (Argentine Mastiff) has an average lifespan of 10 to 12 years.
The life span of a Neapolitan Mastiff is 8 - 10 years. Larger Neapolitan Mastiffs tend to have a shorter life span than smaller ones.
The average is 8 years, although some can live longer.
10-15 years is the life of a pitbull.
they are born live and a few feet long :D
The average lifespan of a Pit Bull Terrier is between 12 and 14 years, but they may live for even longer if well cared for.
Big dogs don't live as long as smaller dogs. The English Mastiff will live for about 6 to 10 years. 12 years old or 11 years old is considered a long life for this breed. If you're looking for a long lived dog, don't get this breed.