DogMatchUp

Mastiff vs Tosa

Comprehensive comparison of two popular breeds to help you decide which one might be the better fit for your lifestyle and preferences.

Mastiff
Giant

Mastiff

Working Group

Tosa
Giant

Tosa

Foundation Stock Service

Quick Comparison

Size

Mastiff Giant
Tosa Giant

Lifespan

Mastiff 6-10 years
Tosa 10-12 years

Exercise Needs

Mastiff 3/5
Tosa 2/5

Grooming Needs

Mastiff 2/5
Tosa 2/5

Breed Overview

Mastiff Overview

Massive and powerful, the Mastiff embodies strength with a gentle soul. Their distinctive wrinkled forehead and broad skull create an imposing yet noble appearance. Standing up to 30 inches at the shoulder with a deep chest and muscular build, these giants possess a short fawn or apricot coat with a dark mask. Despite their intimidating size, Mastiffs display remarkable gentleness and dignified composure.

Origin: Unknown
Life Expectancy: 6-10 years
Size: Giant
Temperament: Courageous, Dignified, Good-Natured

Tosa Overview

Majestic and powerful, the Tosa combines impressive physical strength with a dignified bearing. Standing tall with a muscular build, broad head, and deep chest, these dogs showcase a short, dense coat in various solid colors. Their calm demeanor masks incredible strength, while their patient and vigilant nature makes them exceptional guardians. Distinguished by their noble expression and balanced proportions, Tosas move with surprising grace despite their substantial size.

Origin: Unknown
Life Expectancy: 10-12 years
Size: Giant
Temperament: Fearless, Patient, Vigilant

Key Differences

  • Energy Level: Mastiffs are more energetic than Tosas, requiring more daily exercise.
  • Grooming: Mastiffs require less grooming attention compared to Tosas.
  • Temperament: While both breeds are intelligent, Mastiffs tend to be more outgoing with strangers than Tosas.
  • Trainability: Mastiffs may be slightly easier to train due to their Mastiff's higher intelligence ranking.
  • Living Situation: Tosas adapt better to apartment living, while Mastiffs typically prefer homes with more space.

Detailed Comparison

Below is a comprehensive side-by-side comparison of the Mastiff and Tosa, covering everything from physical characteristics to care requirements.

Basic Information

Feature Mastiff Tosa
Size Giant Giant
Life Expectancy 6-10 years 10-12 years
Country of Origin Unknown Unknown
Breed Group Working Group Foundation Stock Service

Physical Characteristics

Feature Mastiff Tosa
Height
27-30 inches
70-76 cm
22-24 inches
55-60 cm
Weight
120-230 lbs
54-104 kg
100-200 lbs
45-91 kg
Coat Type Medium coat Short, dense coat
Coat Length Medium Short
Shedding Occasional Occasional

Temperament & Behavior

Feature Mastiff Tosa
Temperament Courageous, Dignified, Good-Natured Fearless, Patient, Vigilant
Energy Level
3/5
2/5
Intelligence
3/5
2/5

Compatibility

Feature Mastiff Tosa
Good with Children
3/5
3/5
Good with Other Dogs
3/5
1/5
Apartment Friendly
2/5
2/5

Temperament & Personality

Mastiff Temperament

Courageous Dignified Good-Natured

The Mastiff is known for being courageous, dignified, good-natured, making them better suited for homes without young children. Their moderate intelligence means they can be trained with consistent effort. They tend to be reserved with strangers, which makes them good watchdogs. Their moderate energy level makes them adaptable to different lifestyles, though they still need regular exercise.

Tosa Temperament

Fearless Patient Vigilant

The Tosa is characterized by being fearless, patient, vigilant, which makes them better for households without small children. With their moderate intelligence, they can learn with consistent training methods. They're naturally cautious around strangers, which enhances their ability to serve as watchdogs. Their moderate energy level makes them versatile companions that can adapt to your activity level, though regular exercise is still important.

Temperament Comparison

When comparing the Mastiff and Tosa, there are notable differences in their temperaments that potential owners should consider:

Sociability with Strangers

Mastiff
3/5
Tosa
1/5

Good with Children

Mastiff
3/5
Tosa
3/5

Side-by-Side Trait Ratings

GOOD WITH YOUNG CHILDREN

Mastiff

Not Recommended Good With Children

Rating: 3/5

Tosa

Not Recommended Good With Children

Rating: 3/5

GOOD WITH OTHER DOGS

Mastiff

Not Recommended Good With Other Dogs

Rating: 3/5

Tosa

Not Recommended Good With Other Dogs

Rating: 1/5

ENERGY LEVEL

Mastiff

Low High

Rating: 3/5

Tosa

Low High

Rating: 2/5

TRAINABILITY / INTELLIGENCE

Mastiff

Challenging Easy to Train

Rating: 3/5

Tosa

Challenging Easy to Train

Rating: 2/5

GROOMING NEEDS

Mastiff

Low High

Rating: 2/5

Tosa

Low High

Rating: 2/5

Care & Maintenance

Mastiff Care Requirements

Exercise Needs

3/5

Mastiffs require moderate daily exercise, including about 30-60 minutes of physical activity. This can include walks, play sessions, and moderate activities like walking and interactive play.

Grooming Requirements

2/5

With their medium coat coat, Mastiffs require moderate grooming. This includes regular brushing to prevent matting and reduce shedding. Occasional professional grooming may be beneficial.

Tosa Care Requirements

Exercise Needs

2/5

Tosas need regular daily exercise, including about 30-60 minutes of physical activity. This should include walks, play sessions, and moderate activities like walking and interactive play.

Grooming Requirements

2/5

With their short, dense coat coat, Tosas require moderate grooming. This includes regular brushing to maintain coat health and reduce shedding. Occasional professional grooming may be helpful.

Health & Lifespan

Mastiff Health Profile

Average Lifespan: 6-10 years

Common Health Issues:

  • Hip Dysplasia
  • Bloat
  • Heart Issues
  • Eye Problems
  • Elbow Dysplasia

Tosa Health Profile

Average Lifespan: 10-12 years

Common Health Issues:

  • Hip Dysplasia
  • Bloat
  • Heart Issues
  • Eye Problems
  • Joint Issues

Pros & Cons

Mastiff

Pros

  • Gentle and patient nature
  • Excellent guard dog
  • Good with family
  • Low grooming needs

Cons

  • Heavy drooling
  • Shorter lifespan
  • Requires significant space
  • High food costs

Tosa

Pros

  • Loyal guardian
  • Patient temperament
  • Calm demeanor
  • Low barking tendency

Cons

  • Requires experienced owner
  • Size management challenges
  • High food costs
  • Not suited for small spaces

Ready to Find Your Perfect Match?

Now that you've compared the Mastiff and Tosa, explore more breeds or use our breed matching tool to find the perfect dog for your lifestyle.