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Kai

OriginJapan
SizeMedium
Lifespan12–15 years
GroupSpitz & Primitive

Summary

The Kai Ken is a medium-sized Japanese hunting dog, originating from the Yamanashi prefecture in the central mountains of Japan. It is the only Japanese breed whose standard requires a tricolor brindle coat, varying from light brindle to dark brindle. It was bred to hunt deer and wild boar in steep mountains. It is considered the most primitive and purest of the native Japanese dogs.

Physical Characteristics

Size
Medium
Height (male)
47–53 cm
Height (female)
42–48 cm
Weight (male)
14–18 kg
Weight (female)
12–16 kg
Life Expectancy
12–15 years
Coat
Double; hard and straight outer coat; dense undercoat
Common Colors
Black brindle (kuro-tora), medium brindle (chu-tora), reddish brindle (aka-tora); urajiro always present

Temperament & Personality

The Kai Ken is a dog of sharp intelligence, very faithful to its owner and with a strong hunting instinct. With the family, it is deeply devoted and may develop exclusive bonds with a single person. It is reserved with strangers but rarely aggressive. Its hunting abilities include swimming and climbing trees to reach prey.

Activity & Exercise

Energy Level
High
Recommended Daily Exercise
90 minutes

Grooming & Care

Grooming Needs
Low to moderate
Shedding
Moderate
Bathing Frequency
Every 6–8 weeks

Health

Common Health Issues
  • Generally very healthy breed due to rigorous natural selection
  • Hip dysplasia
Recommended Health Tests
  • Hip evaluation

Compatibility

With Children
Good
For First-Time Owners
Not recommended

Dogs with a similar origin, size, lifespan, or FCI group.

Kai — Dog Breeds — Smart Dog Care