Tosa Did You Know?

  • The Tosa has been assigned the Working Group designation.
  • The Tosa has been recorded in the Foundation Stock Service since 1997.
  • Other names for the breed include Tosa-Ken, Tosa Dog, Tosa-Token, Tosa-Inu, Japanese Fighting Dog and Japanese Mastiff.
  • The breed is often pictured in full ceremonial regalia.
  • The Tosa originated on the island of Shikoku.
  • The Tosa is the largest of all Japanese breeds.
  • During World War II, this extremely rare dog was very near extinction.