All Breeds
Working Group

Mastiff

Also known as: English Mastiff, Old English Mastiff

Large
6-10 years
England
AKC: 1885

Energy Level

2/10

Apartment Friendly

1/10

Weight (Male)

160-230 lbs

Height (Male)

30+ inches

Mastiff - dog breed photo

Quick Facts

OriginEngland
GroupWorking
SizeLarge
Weight (Male)160-230 lbs
Weight (Female)120-170 lbs
Height (Male)30+ inches
Height (Female)27.5+ inches
Life Expectancy6-10 years
Coat TypeShort, dense
AKC Recognized1885
First-Time Owners❌ Not recommended

Coat Colors

Fawn
Apricot
Brindle

Breed Summary

The Mastiff is one of the heaviest dog breeds, a massive, dignified guardian with an ancient heritage. Despite their imposing size, they are gentle, calm, and surprisingly sensitive—true gentle giants.

History

An ancient breed with roots in England dating back 2,000+ years. Used as war dogs, guard dogs, and estate protectors. They fought alongside the British in wars and were prized by nobility. AKC recognized in 1885.

Appearance

One of the largest and heaviest breeds. Massive head, broad chest, and powerful build. Short coat with a characteristic black mask. Their size alone is imposing, but their expression is gentle and dignified.

Temperament

affection
4/10
intelligence
3/10
loyalty
5/10
trainability
3/10
independence
3/10
confidence
4/10
friendliness
3/10
protective Instincts
4/10
playfulness
2/10
sensitivity
4/10

Gentle, dignified, and surprisingly sensitive, the Mastiff is a calm, even-tempered giant. They are devoted to family and protective without being aggressive. Their mere presence is usually sufficient deterrent.

Personality Around Others

Gentle with family and especially children. Protective but not aggressive. Can be wary of strangers. Generally tolerant of other dogs. Surprisingly sensitive emotionally.

Exercise Needs

Low exercise needs. Moderate daily walks are sufficient. They are not high-energy and prefer moderate activity. Avoid exercising in heat—they overheat easily.

Training

Moderately trainable. They aim to please but can be stubborn. Positive reinforcement only—they are sensitive to harsh corrections. Early training while still manageable is crucial.

Grooming

Easy coat care—weekly brushing. Regular facial wrinkle cleaning. They drool heavily. Regular nail, ear, and dental care.

Health

Common Health Conditions

Hip Dysplasia
Elbow Dysplasia
Bloat/GDV
Progressive Retinal Atrophy
Cystinuria

Prone to joint issues and bloat. Shorter lifespan typical of giant breeds. Cancer and heart disease are concerns. Regular health monitoring essential.

Recommended Health Tests

  • Hip Evaluation
  • Elbow Evaluation
  • Cardiac Exam
  • Ophthalmologist Evaluation
  • Cystinuria DNA Test

Average Annual Vet Cost

$1,500-$3,000

Nutrition

Quality giant-breed food in smaller, frequent meals to prevent bloat. Careful puppy nutrition for slow growth. They eat a lot.

Living Environment

Need space due to size but are calm indoors. Not apartment dogs. Not suited for hot climates. A home with a yard is ideal.

Ideal Family

Experienced giant breed owners. Families with older children. Those comfortable with drool and size. Not for first-time owners.

Intelligence

Moderately intelligent. They understand expectations but may choose their own pace. Sensitive to their owners' emotions.

Barking

Frequency

1/10

Alert

3/10

Separation

2/10

Quiet Indoors

5/10

Very quiet breed. Rarely bark. Their massive size speaks for itself. They may bark briefly to alert.

Shedding

Year-Round

3/10

Seasonal

3/10

Vacuum Factor 🧹

3/10

Hypoallergenic

❌ No

Moderate shedding. Weekly brushing manages their short coat easily.

Weather Tolerance

☀️

Heat

1/10

❄️

Cold

3/10

🌧️

Rain

2/10

🌨️

Snow

2/10

💧

Humidity

1/10

Breed Ratings

intelligence
3/10
affection
4/10
energy
2/10
shedding
3/10
trainability
3/10
protective
4/10
good With Kids
4/10
good With Dogs
3/10
apartment Friendly
1/10
grooming Needs
2/10

Fun Facts

1.

The heaviest Mastiff ever recorded weighed 343 pounds

2.

Mastiffs were brought to England by the Romans over 2,000 years ago

3.

A Mastiff named Zorba held the Guinness record as the world's heaviest dog

4.

They were used as war dogs in ancient battles

Famous Dogs

Zorba

English Mastiff who held the Guinness World Record as the heaviest dog at 343 pounds

Common Myths

"Mastiffs are aggressive guard dogs"

They are gentle giants that rely on their size rather than aggression

"They need lots of exercise"

They are low-energy dogs content with moderate daily walks

Frequently Asked Questions

How big do Mastiffs get?

Males typically weigh 160-230 lbs and stand 30+ inches tall. Some individuals exceed 200 lbs.

Do they drool?

Yes, they are heavy droolers, especially after eating, drinking, or exercise.

Adoption Tips

Contact Mastiff rescue. Be prepared for enormous food and vet bills. Ask about joint health history.

Considering adoption?

Dog Camp Boquete rescues and rehabilitates dogs of all breeds in Panama. Every dog deserves a loving home.

Puppy Guide

Puppies grow incredibly fast. Careful nutrition for joint development. Start training while still manageable. They are gentle from birth.

Senior Care

Senior Mastiffs commonly develop joint issues. Supportive bedding is essential. Gentle, short walks. Regular vet monitoring. Cherish their limited time.

Ownership Costs

Purchase Price$1,500-$3,500
Adoption Fee$200-$500
Monthly Food$100-$150
Annual Vet Care$1,500-$3,000
Insurance$60-$80
Grooming$35-$50

Estimated Lifetime Cost

$18,000-$30,000

Pros and Cons

Pros

Gentle, calm temperament

Impressive natural deterrent

Quiet—rarely barks

Devoted and loyal

Cons

Very short lifespan

Enormous food and vet costs

Heavy drooling

Heat-intolerant

Ready to Adopt?

Every dog deserves a loving home. Visit Dog Camp Boquete to meet our rescued dogs looking for their forever family.