The Six Native Japanese Dog Breeds: Nihon Ken
Japan is home to several unique dog breeds, but six of them—officially recognized as Nihon Ken—hold a special cultural and historical importance. These breeds are native to Japan and are valued for their traits, origins, and long-standing relationships with the Japanese people. The six official Nihon Ken breeds are the Akita, Shiba Inu, Hokkaido, Kishu, Kai Ken, and Shikoku. Each possesses distinct characteristics shaped by Japan’s rugged geography and regional climates.
1. Akita
The Akita originates from Akita Prefecture in northern Japan. Known for its imposing size and dignified stature, the Akita was historically used for hunting large game such as bears and deer.
- Size: Males stand 26–28 inches tall and weigh 100–130 pounds
- Personality: Loyal, protective, and reserved
- Coat: Thick double coat, curled tail
The Akita is a symbol of loyalty in Japan, exemplified by the famous story of Hachiko, the dog that waited daily at a train station for his deceased owner.
2. Shiba Inu
The Shiba Inu is the smallest and oldest of the six breeds, originating as early as 300 B.C. It was bred for hunting small game in mountainous areas.
- Size: Males 14.5–16.5 inches, 23 pounds; females 13.5–15.5 inches, 17 pounds
- Personality: Intelligent, independent, alert
- Notable Trait: Known for the “Shiba scream,” a high-pitched expression of emotion
Today, Shiba Inus are Japan's most popular companion dogs due to their manageable size and expressive personalities.
3. Hokkaido
The Hokkaido breed hails from the chilly northernmost island of Hokkaido. These dogs were crucial for hunting and survival in harsh winter landscapes.
- Size: 18–20 inches, 44–66 pounds
- Personality: Energetic, loyal, protective
- Physical Build: Compact, muscular, with a well-insulated coat
Hokkaidos are known for their tenacity and loyalty, forming strong bonds with their human families while being cautious around strangers.
4. Shikoku
Originating from Shikoku Island, the Shikoku Inu was bred to hunt wild boar. Its athletic build and high energy levels make it ideal for rugged terrain.
- Size: 17–22 inches, 35–55 pounds
- Personality: Agile, intelligent, and reserved
- Coat: Dense and water-resistant with curled tail
The breed has a loyal and reserved temperament and is one of the more agile of the native types.
5. Kishu
The Kishu Ken was developed in the Kishu region and has a distinguished hunting history, especially in tracking larger game like boar and deer.
- Size: 17–22 inches, 30–60 pounds
- Color: Typically solid colored, with white being most common
- Personality: Brave, loyal, and strong-willed
These dogs bond deeply with their families and are known for their quiet, determined nature.
6. Kai Ken
Also referred to as the “tiger dog,” the Kai Ken is native to Yamanashi Prefecture and is recognized for its unique brindle coat.
- Size: 15.5–19.5 inches, 20–40 pounds
- Personality: Intelligent, devoted, with a strong prey drive
- Abilities: Excellent climbers and swimmers
Kai Kens possess an adventurous spirit and are skillful in navigating difficult terrain, making them superb hunters.
Shared Characteristics of Nihon Ken
Despite their differences, these six breeds share several key features:
- Spitz-type traits: Erect ears, curled tails, double coats
- Adaptations: Designed for mountainous terrain and cold climates
- Personality: Loyal, intelligent, and courageous
These ancient and noble breeds reflect the unique environment and cultural history of Japan. Their appearances and temperaments have been forged by necessity, survival, and centuries of selective breeding. Whether fierce protectors, loyal companions, or agile hunters, the six Nihon Ken remain treasured symbols of Japanese heritage.





