Kai Ken

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Kai Ken
A Kai Ken
Other names	Kai
Common nicknames	Tora Dog
Origin	Japan
Traits Height Males 50–56 cm (20–22 in) Females 45–51 cm (18–20 in) Weight 11–25 kg (25–55 lb) Coat Double coat of medium length Color Black brindle, red brindle and brindle.
Kennel club standards Japan Kennel Club standard Fédération Cynologique Internationale standard
Dog (domestic dog)

The Kai Ken (甲斐犬, Kai-ken, Kai-inu^[1], also called the Tora Inu or Tiger Dog) is a breed of dog native to the Kai region, Yamanashi Prefecture, Japan,^[2] where it is a national monument. It is a rare dog even in its native land and is one of the six native Japanese dog breeds protected by the Nihon Ken Hozonkai.^[3]