Get the Canadian Kennel Club to add Tosa Inu as a recognized bred.

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Tosa lovers are looking for accreditation for their dogs as some would like to be able to show their dogs in all CKC events, and that is not currently possible. We would also like to start a Canadian Tosa Inu Club,  and have it affiliated with the Japanese club. Adding this bred to the CKC’s list of accredited breeds would be a huge step in sharing knowledge of this, historic, and rare breed.

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 (present day Kōchi) and is considered a recognized breed, world wide, with the exception of Canada. The breed has existed for over 800 years.

This breed originated in the second half of the nineteenth century. The breed started from the native Shikoku-Inu, an indigenous dog weighing about 25 kilograms (45 pounds) and standing about 55 centimetres high, which closely resembles the European Spitz. These dogs were crossed with European dog breeds, such as the Old English Bulldog in 1872, Mastiff in 1874, St. Bernard, German Pointer in 1876, Great Dane in 1924, and the Bull Terrier.[2] The aim was to breed a larger, more powerful dog. The heyday of Tosa breeding was between 1924 and 1933, when it was said that there were more than 5,000 Tosa breeders in Japan.

Other names
Tosa Inu
Tosa Ken
Tosa Tōken
Japanese Mastiff
Japanese Tosa


Classification / standards

Group 2, Section 2.1 Molossian: Mastiff type #260


The AKC Foundation Stock Service (FSS) is an optional recording service for purebred dogs that are not yet eligible for AKC registration.


Guardian Dog