The Japanese Bobtail is one of the oldest naturally occurring cat breeds in the world, with a documented presence in Japan stretching back well over a thousand years. Genetic studies and historical records suggest that short-tailed cats arrived in Japan from the Asian mainland, likely through trade routes connecting China and Korea to the Japanese archipelago. By the sixth and seventh centuries, cats with distinctive bobbed tails were already a familiar sight in Japanese imperial courts and Buddhist monasteries.
Early written references to short-tailed cats appear in Japanese manuscripts dating to the Kamakura period, though artistic depictions are even older. Paintings on silk scrolls and woodblock prints from medieval Japan frequently feature cats whose tails are unmistakably short and pom-pom-like. These cats were kept not only as companions but as working animals, prized for their ability to protect grain stores and silkworm cocoons from mice and rats.
The natural genetic mutation responsible for the breed's bobbed tail is recessive and distinct from the taillessness found in breeds like the Manx. The Japanese Bobtail's tail vertebrae are fewer in number and often fused or kinked, producing a short tail that is unique to each individual cat, much like a fingerprint. This naturally occurring trait became fixed within the island population over centuries of relative genetic isolation.
Archaeological evidence, including cat remains found at temple sites and early urban settlements, supports the idea that bobbed-tail cats were widespread across all levels of Japanese society by the late medieval period. They were not restricted to aristocratic households but were common in farming villages, fishing communities, and merchant districts alike.