Country of Origin: Japan
Height: 62 – 82 cm (Adult, At the withers, non-Japanese population)
Weight: 36 – 61 kg (Adult, Japan population)
Color: Black, Fawn, Brindle, Red
Life Expectancy: 10 – 12 years
Temperament: Suspicious, Fearless, Aggressive, Sensitive, Intelligent, Brave
Litter Size: 4 - 12 puppies
Health Problems: Both parents should have the following certificates: CERF (eyes) and OFA (hips and elbows). Also prone to bloat. Ask about bloat in the lines. Bloat can be a major problem in these large dogs.
Brief info: The Tosa, also called the Tosa-Inu or Tosa-Ken, is a stately, massive dog. The large head is broad with a rather abrupt stop. The muzzle is moderately long and squared-off. The black nose is large. The teeth meet in a scissors bite and the jaws are powerful. The small eyes are dark brown in color.
The high-set ears are small and thin hanging close to the cheeks. The neck is muscular, with a dewlap. The tail is thick at the root, tapering to a point and reaching to the hocks when the dog is relaxed. The feet are well padded with dark nails.
The coat is short, dense and hard and comes in solid, brindle or multi-colored of red, fawn, apricot, yellow, black, black and brindle and black and tan. There is often a black mask and there may be small white markings on the chest and feet.