Mastiff breeds are so popular due to some Hollywood movies that sport this dog breed. The Spanish Mastiff is from Spain, and now they are here in the United States but can still be hard to find a breeder for. Here is a list of a few breeders.
The Tosa Inu was originally bred in Japan as a fighting dog. Tosa Inu can also be very dangerous if they are bred to pick up those fighting habits. Many breeders today do not believe in training their Tosa Inus to do that.
The Mountain Feist Dog is a small to medium-sized dog with pointed ears. This breed of dog is used for hunting small game a vermin. This breed was developed to protect home in the South of North America. You can now find this breed all over the world.