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Boxer Mastiff Mix
A Boxer Mastiff mix is a cross between a Boxer and a Mastiff. Most grow into giant dogs of 85–155 lb and live 8–11 years.
Photos show the purebred parents. There is no single look for a mix: puppies in one litter can resemble either side.
How big does a Boxer Mastiff Mix get?
Pounds. The dark band is where most Boxer Mastiff Mix dogs end up; the light band is the full range between the smallest and largest parent.
Height runs 24–28 inches at the shoulder, against 21.5–25 in for the Boxer and 27.5–30 in for the Mastiff.
Coat, energy and training
Neither parent has a low-shedding coat, so expect dog hair around the house and seasonal heavy shedding.
Plan on long daily walks plus real exercise, such as running, fetch or a sport. A yard alone will not tire this dog out.
The Boxer rates high and the Mastiff moderate; a puppy may lean either way.
A weekly brush and the odd bath keep the coat in shape.
Temperament
The Boxer is usually described as bright, fun-loving, active. The Mastiff as courageous, dignified, good-natured. A mix can take after either parent or land in between. If you can, meet both parents of a puppy before you choose.
Boxer vs Mastiff vs the mix
| Trait | Boxer | Boxer Mastiff Mix | Mastiff |
|---|---|---|---|
| Weight | 50–80 lb | 85–155 lb | 120–230 lb |
| Height | 21.5–25 in | 24–28 in | 27.5–30 in |
| Lifespan | 10–12 yr | 8–11 yr | 6–10 yr |
| Shedding | low | low | low |
| Energy | high | high | moderate |
| Group | Working | mixed | Working |
Questions about the Boxer Mastiff Mix
- How big does a Boxer Mastiff Mix get?
- Most grow to 85–155 pounds and 24–28 inches at the shoulder. Because puppies can take after either parent, the full possible range is 50–230 pounds.
- How long does a Boxer Mastiff Mix live?
- A typical lifespan is 8–11 years, the midpoint of the Boxer (10–12 years) and the Mastiff (6–10 years).
- Does a Boxer Mastiff Mix shed?
- Shedding is low. Neither parent has a low-shedding coat, so expect dog hair around the house and seasonal heavy shedding.
- Is a Boxer Mastiff Mix easy to train?
- Trainability is high, based on how both parent breeds respond to training. Start early and keep sessions short.
Other Boxer mixes
- Lab Boxer Mix
- Pit Bull Boxer Mix
- German Shepherd Boxer Mix
- Beagle Boxer Mix
- Poodle Boxer Mix
- Husky Boxer Mix
- Boxer Rottweiler Mix
- Chihuahua Boxer Mix
- Boxer Cane Corso Mix
- Boxer Pug Mix
Other Mastiff mixes
- Great Dane Mastiff Mix
- Pit Bull Mastiff Mix
- Cane Corso Mastiff Mix
- Lab Mastiff Mix
- German Shepherd Mastiff Mix
- Rottweiler Mastiff Mix
- Mastiff Saint Bernard Mix
- Poodle Mastiff Mix
- Great Pyrenees Mastiff Mix
- Husky Mastiff Mix
Figures are calculated from each parent breed's standard height, weight and life expectancy. How we calculate.