Tosa (dog breed)

Tosa
Other namesJapanese Tosa
Tosa Tōken (土佐闘犬)
Japanese Fighting Dog
Tosa Fighting Dog
OriginJapan
Kennel club standards
Japan Kennel Club standard
Fédération Cynologique Internationale standard
Dog (domestic dog)

The Tosa, also known as the Japanese Mastiff, is a dog breed of Japanese origin that is considered rare. It was originally bred in Tosa, Shikoku (present-day Kōchi), as a fighting dog and the only dog legally allowed in Japanese dog fighting. Ownership is restricted in some countries as a dangerous breed.