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

The Dog Scanner app does provide a lot more information about the Tosa breed as well as many more.

Also known as

This breed is also called Japanese Fighting Dog, Japanese Mastiff, Japanese Tosa, Tosa, Tosa Dog, Tosa Fighting Dog, Tosa Inu, Tosa Ken, Tosa Token as well as Tosa Tōken.

Is your dog a Tosa?

You can use our Dog Scanner app to find out whether your dog is a Tosa.

Tosa - Dog Scanner