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Working Group

Mastiff

CourageousDignifiedGood-Natured
Mastiff

Height

30 inches & up (male), 27.5 inches & up (female)

Weight

160-230 pounds (male), 120-170 pounds (female)

Life Expectancy

6-10 years

Size

Giant

About the Mastiff

Mastiffs are giant working dogs that usually bring courageous, dignified, and good natured traits into everyday life. They tend to reward family households that want a dog involved in everyday home life that are prepared for heat and breathing-related management and space and handling strength.

The Good

  • Substantial build gives the breed the presence many larger-dog fans want
  • Moderate energy can be easier to slot into a regular weekly rhythm
  • Can be rewarding for family households when supervision and training stay thoughtful

The Bad

  • Size alone adds practical demands that some households underestimate
  • Health screening and long-term vet budgeting matter more here than with sturdier breeds
  • Hot weather can shrink the margin for error during exercise and travel

Is this dog right for you?

Best match for...

Families
Children
SheddingModerate
EnergyMedium
TrainingMedium

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Breed Traits

Energy Level3/5
Trainability3/5
Health Concerns5/5
Barking Tendency1/5
Good with Kids5/5
Good with Dogs3/5