Bullmastiff vs Tosa

Compare the Bullmastiff to the Tosa. Use the tool below to compare temperament, size, personality, maintenance requirements, and everything else between Bullmastiffs and Tosas.

Bullmastiff vs Tosa
Bullmastiff
Tosa
Bullmastiff
Tosa
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General Details
Bullmastiff
Tosa
Breed Type
Purebred
Purebred
Allergy Friendly
No
No
Lifespan
8-10 Years
10-12 Years
Height
24-27 Inches
20-24 Inches
Weight
110-130 Pounds
90-170 Pounds
Intelligence
Above Average
Above Average
History
Bullmastiff
Tosa
Origin Country
United Kingdom
Japan
Origin Year
1860 AD
1868 AD
Temperament
Bullmastiff
Tosa
Overall Friendliness
Above Average
Average
Family Friendly
Above Average
Average
Child Friendly
Above Average
Average
Pet Friendly
Above Average
Below Average
Stranger Friendly
Average
Below Average
Personality
Bullmastiff
Tosa
Traits
Affectionate
Loving
Needy
Separation Anxiety
Snuggle
Willing to Please
Affectionate
Aggressive
Loving
Willing to Please
Living Environment
Bullmastiff
Tosa
Apartment
Yes
Yes
Indoor
Yes
Yes
Small Yard
No
No
Medium Yard
No
Yes
Large Yard
No
Yes
Temperature Tolerance
40-80 °F
30-80 °F
Barks/Howls
None
None
Exercise Needs
Bullmastiff
Tosa
Energy Level
Medium
Low to Medium
Exercise Required
Medium
Medium
Top Running Speed
20 MPH
28 MPH
Strength
Very High
Very High
Grooming Needs
Bullmastiff
Tosa
Coat Maintenance
Low
Low
Shedding
Medium
Low
Dander
Medium
Low
Drool
Medium
Medium
Instincts and Behavior
Breed Mentality
Bullmastiff
Tosa
Dominant / Alpha
No
Yes
Family / Pack
Yes
No
Independent
No
No
Breed Focus
Bullmastiff
Tosa
Distracted Easy
No
No
Focused & Patient
Yes
Yes
Breed Instincts
Bullmastiff
Tosa
Aggression
Below Average
Above Average
Burrow / Digging
Average
Average
Chasing
Below Average
Average
Follow Commands
Below Average
Below Average
Fighting
Average
Above Average
Guarding
Above Average
Above Average
Herding
Below Average
Average
Hunting
Average
Average
Protection
Above Average
Average
Remove Vermin
Below Average
Average
Sled Pulling
Below Average
Below Average
Watch / Guardian
Above Average
Average
Health Comparison
Lifespan
Bullmastiff
Tosa
Average Lifespan
8-10 Years
10-12 Years
Health Concerns
Bullmastiff
Tosa
Common Health Issues
Cancer
Entropion
Progressive retinal atrophy
Hypothyroidism
Hemangiosarcoma
Osteosarcoma
Heart problems
Kidney issues
Lymphosarcoma
Bloat
Appearance Comparison
Coat
Bullmastiff
Tosa
Coat Type
Fur
Fur
Coat Layering
Smooth
Smooth
Coat Texture
Rough
Rough
Coat Length
Short
Short
Coat Coloring
Bullmastiff
Tosa
Breed Colors
Fawn
Fawn Brindle
Red
Black
Fawn
Red
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