10. Akita Inu
The Akita Inu is one of the most fearsome guard dogs to originate from Japan. They’re perhaps second only to the Tosa Inu, which were bred as fighting dogs. Even today, the Akita has remained the national dog breed and symbol of Japan.
They’re the most common guard dogs among Japanese families and have been used as gifts from Japanese royalty.
These dogs are confident, independent and bred for world-class protection of any family. On the flip side, they can be suspicious and aloof around strangers. They’ll sometimes perceive unfamiliar people as “dangerous,” whether they are or not.
As a result, their protective instincts kick in and they will probably attack to defend. A dog with the physical strength and size of an Akita can certainly do a lot of damage. And in some cases, they could easily kill a human being – accident or not.