Home Animals A-Z
Animals A-Z >  American Mastiff
American Mastiff

The American Mastiff is a large and noble breed known for its calm demeanor and loving nature. This breed is a reliable family companion, displaying loyalty and affection, making it an excellent choice for those seeking a gentle giant. Though imposing in size, the American Mastiff is renowned for its calm and friendly temperament.

Working
Breed group
10 - 12 years
Lifespan
Height: 76–91 - 71–86 cm
Size
Fawn, Brindle, Apricot
Color
Smooth/Short
Coat type
United States
Origin
Appearance Overview
The American Mastiff is a huge and powerful dog with a dignified appearance.
Size
Large, often weighing between 140-200 pounds.
Coat
Short and dense, providing weather resistance.
Colors
Fawn, apricot, brindle.
Build
Muscular and well-proportioned.
Head
Broad with a set of expressive eyes.
Temperament Overview
American Mastiffs are known for their calm, loyal, and protective nature.
Affectionate
Strongly bonded to their family members.
Protective
Keen to guard their home and loved ones.
Gentle
Despite size, they are gentle and patient, especially with children.
Intelligent
Quick to understand and respond to commands.
Reserved
May be wary of strangers initially but not aggressive.
American Mastiff suitability overview
Ideal for families or individuals seeking a gentle, protective giant.
Pros
Loyal and protective.
Good with children.
Low drooling compared to other mastiffs.
Cons
Large size requires space.
Can be wary of strangers.
Needs consistent training.
Suitability conclusion
The American Mastiff is perfect for those who can provide the space and training they need, offering a loyal companion in return.
American Mastiff care requirements
A moderate grooming routine and a balanced diet are crucial for an American Mastiff's well-being.
Grooming
Weekly brushing to maintain their coat.
Diet
High-quality, balanced diet to support their large size.
Living Environment
Suitable for a home with ample space.
American Mastiff training and exercise
American Mastiffs are moderately easy to train but require regular exercise to stay healthy.
Trainability
They are intelligent and can learn commands with consistency and positive reinforcement. It's crucial to begin socialization and obedience training early to encourage desirable behavior.
Exercise needs
Needs daily walks and playtime, although they are not overly energetic. Mental stimulation is also important due to their intelligence.
Notes and tips
Consistency
Stick to a routine to reinforce good behavior.
Socialization
Expose them to different environments and people early on.
Firm Leadership
Requires a confident owner who can establish boundaries.
American Mastiff health
Generally healthy but prone to certain large breed issues.
Hip Dysplasia
A common skeletal condition in large breeds.
Bloat
A potentially life-threatening stomach issue.
American Mastiff history
The American Mastiff was developed in the late 20th century by Fredericka Wagner in the United States. The breed was created by crossing English Mastiffs with Anatolian Shepherds, aiming to produce a dog with the size and gentle nature of a Mastiff but without excessive drooling. The breed gained recognition for its unique characteristics and became popular in family settings due to its balanced temperament and protective instincts.
Faqs about American Mastiff
How much exercise does an American Mastiff need?
They require moderate exercise, such as daily walks and playtime, to maintain their health.
Are American Mastiffs good with children?
Yes, they are generally gentle and patient, making them good with children.
Do American Mastiffs drool?
They drool less than other mastiff breeds, thanks to their Anatolian Shepherd lineage.
Can American Mastiffs live in apartments?
While possible, they thrive better in homes with larger spaces due to their size.
What is the lifespan of an American Mastiff?
They typically live between 10 to 12 years.