Dog Breed Group: Guard Dog
Life Span: 10-12 years
Weight: Male: 50-90, Female: 45-80
Height: Male: 23-24, Female: 22-23
Origin of Name: The Tosa is a breed of dog of Japanese origin that is considered rare.
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There is a long history of dog fighting in Japan, which began in the 14th century. On Shikoku Island, Shikoku Inu was unequaled in Japanese dogfighting arenas before the arrival of western countries. Shortly after Commodore Perry's arrival in Japan in 1858, Japanese dog fans and dogfighters began acquiring exotic dogs with their original stock. The Tosa breed was produced as a hybrid of Shikoku-ken and Western breeds, when European and Western traders brought their Mastiff-type fighting dogs with them.
Indigenous to Tosa Province (now Kochi Prefecture) on Shikoku, Tosa was named after the region where they were born and is sometimes called the Japanese Mastiff, because of their extreme courage in the war zone of Japan and Known for strong athletic abilities. The western dogs used to create the breed were Bulldog (1872), Mastiff (1874), German Pointers (1876) and Great Dane (1924), all of which were used to improve the breed by sequential mating . According to some accounts, St. Bernards and the Bull Terrier were also included, but it is not known in which years they were used. The established characteristics of the endurance of the Tosa and the fighting instinct usually found in the Mastiff can be attributed to the participation of such breeds.
In Japan, Tosa is the dog's equivalent of sumo wrestlers and is treated with great respect and ceremony. In the United States, Tosa Kane serves as a Companion Dog and housekeeper.