Greyhound Mastiff Mix: Appearance, Temperament, and Care

The Greyhound Mastiff Mix is a hybrid dog breed that combines the athleticism of the Greyhound and the size and strength of the Mastiff. This breed is known for its loyalty, affectionate nature, and gentle temperament, making it a popular choice for families looking for a loving companion.

If you’re considering adding this special dog to your family, there are a few things you need to know. This article will cover everything you need about this unique breed, including its traits, temperament, and care requirements.

History and Origins

In getting to know a mixed-breed dog, we must first understand its parent breeds. 


The Mastiff is one of the oldest dog breeds in the world, dating back to ancient times. They were initially bred in Asia and used as war, guard, and hunting dogs. 

Mastiffs were also popular among royalty and nobility, with records kept by Alexander the Great and Kublai Khan. They eventually made their way to Europe and were recognized by the American Kennel Club in 1885.


The Greyhound is a breed of dog that has been around for thousands of years. They were initially bred for hunting and were used to chase down game such as rabbits and hares. 

Greyhounds were highly prized in ancient Egypt, revered for their speed and grace. They eventually went to Europe, where they were used for racing and coursing. Greyhounds were first recognized by the American Kennel Club in 1885. 

Today, they are popular family pets known for their gentle and affectionate nature.

Greyhound Mastiff Mix

brown mastiff greyhound mix walking
This looks fur-miliar..


When it comes to their physical appearance, there is no one-size-fits-all description. This breed can vary in size and appearance, depending on the characteristics they inherit from their parents. 

Here are some of their most common traits:

Height: Can range from 24 to 30 inches tall at the shoulder.

Weight: This breed can weigh anywhere from 70 to 190 pounds, with males typically larger than females.

Coat: The coat of a Greyhound Mastiff Mix can be short and smooth, like a Greyhound’s, or dense and fluffy, like a Mastiff’s. They could also be anything in between. 

Color: This breed can come in a wide range of colors, including black, brown, brindle, fawn, and white.


Greyhound Mastiff Mixes are known for their gentle and affectionate personalities. They are loyal and devoted to their families, making them excellent companion dogs.

However, they can also be independent and stubborn, so early socialization and training are essential.

These dogs are generally calm and laid-back but require daily exercise to stay healthy and happy. They enjoy long walks and runs, and they also love to play. 

They are great with children and other pets, but they can be wary of strangers, so early socialization is vital.

However, it’s important to note that this breed can also be stubborn and sometimes independent. They may require extra training and socialization to ensure they behave appropriately around strangers and other animals.

black mastiff mix in park
Are you a pup-arazzi?

Energy Levels

This breed has moderate energy levels and can be content with moderate exercise, such as daily walks. However, they have energy bursts and can benefit from regular playtime and training sessions.

Care Requirements 

When caring for these dogs, there are a few things to keep in mind. Here are some of the most essential care requirements for this breed:


Greyhound Mastiff Mixes are an athletic breed that requires regular exercise to maintain physical and mental health. They should be taken for daily walks and have plenty of opportunities to run and play.


This breed can be stubborn and independent, so early and consistent training is essential. Positive reinforcement techniques, such as treats and praise, work best with this breed.


These pups have short coats that are easy to maintain. Weekly brushing and occasional baths are typically all needed to keep their coats healthy and shiny.

mastiff puppy mix by water
Don’t worry, be yappy!


Mastiff-Greyhound mixes may require a considerable amount of food due to its size, but it is essential to maintain a healthy weight to prevent health issues. A portion of high-quality, age-appropriate dog food should be sufficient.

Health Issues

Like all dogs, a mix between a Greyhound and a Mastiff would be prone to specific health issues. Some of the most common health issues include:

  • Hip Dysplasia: This is a genetic condition in which the hip joint doesn’t develop properly. It can cause pain and lameness, and it can lead to arthritis.
  • Bloat: This is a life-threatening condition where the stomach fills with gas and twists on itself. It can cause vomiting, lethargy, and a distended abdomen.
  • Heart Problems: They can be prone to certain heart conditions, including dilated cardiomyopathy and mitral valve disease.

Working with a reputable breeder and scheduling regular check-ups with a veterinarian is essential to reduce the risk of these health issues. Early detection and treatment can help to manage these conditions and keep your dog healthy.

Training Tips

Training and socialization are essential for dogs, especially large breeds like the Greyhound Mastiff mix. This breed can be strong-willed, so early and consistent training is critical. 

Socialization should begin early to help your dog feel comfortable around other people and animals.

cute greyhound and mastiff cross
Tryna’ stay paw-sitive!

Here are some tips for training your pup:

  • Start Early: Early socialization and training are essential. Start training your puppy as soon as you bring them home, and expose them to various people, pets, and environments.
  • Be Positive: Positive reinforcement is vital when training. Reward good behavior with treats, praise, and playtime.
  • Be Consistent: Consistency is essential when training any dog, but it is imperative with Greyhound Mastiff Mixes. Use the same commands and cues every time you train, and be patient and persistent.
  • Use a Gentle Approach: They respond best to a gentle and patient approach. Avoid harsh methods or punishment, as these can cause fear and anxiety.
  • Exercise: These dogs require daily exercise to stay healthy and happy. Make sure to provide plenty of opportunities for exercise and playtime.
  • Crate Training: Crate training can be an effective way to housetrain. Make sure to use a large crate for your dog to stand up, turn around, and lie down comfortably.
  • Obedience Training: Mastiff Greyhound cross-breeds can benefit from obedience training. Consider enrolling your dog in a training class to learn basic commands and socialize with other dogs.


In conclusion, the Greyhound Mastiff Mix is a unique and lovable breed that is a great companion for families. While they require extra care and training, their affectionate nature and gentle temperament make them a popular choice for those looking for a loyal and loving furry friend.

If you’re considering adding them to your family, be sure to do your research and find a reputable breeder. With proper care and training, your canine friend can live a happy and healthy life by your side.


How much exercise do they need?

A: They are an athletic breed that requires daily exercise. They should be taken for at least one long walk or run each day and provided with plenty of opportunities to play.

Are they easy to train?

A: They can be stubborn and independent, but they can be trained successfully with consistent training and positive reinforcement.

Does Mastiff-Greyhound mixes shed a lot?

A: They would have short, smooth coats that don’t shed excessively. However, they do shed moderately, so regular grooming is recommended.

Evan S. Conaway
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