Medium-sized, muscular, with a short coat. Various colours are accepted, except merle.
The Japanese fighting dog that is rare and considered dangerous in some countries.
Medium-sized, confident, and good-natured; often confused with Pit Bull.
Large Brazilian mastiff, used for guarding and hunting.
Argentine mastiff, bred for hunting large game.
Large, muscular mastiff-type dog with origins in North America.
A South African mastiff-type guard dog, recognised by the Kennel Union of Southern Africa.
Turkish livestock guardian, with pale fawn to wolf grey coat and black mask.
Livestock guardian known for protection and guard duty.
A large livestock guardian native to the Caucasus region.
A flock guardian dog originating from Ukraine and southern Russia.
They are livestock guardian native to Bosnia and Herzegovina and Croatia.
Japanese breed, powerful and loyal, with a distinct American Akita variation.
They are large and powerful guard dogs with a long history of various uses.
Medium-to-large breed originally used for herding and now employed in various roles, including search and rescue, guarding, and police work.