The size of an Akita's body (just look at the size of that head!) makes them a powerful beast.
Appenzeller Sennenhunds, despite being smaller than some of the other huge dogs on our list, are excellent guard dogs.
The medium-sized Australian shepherd is attractive and courageous. These dogs are natural herders.
These massive, musculature-laden canines are a mix between Bulldogs and Mastiffs.
Do not be fooled by a Doberman's svelte physique; they are powerful, swift, and fearless, making them the ideal dog to protect your home.
German Shepherds are one of the most popular breeds of police dogs, but they are also popular as pets.
If you know someone who has a Rottweiler, you've probably witnessed the breed's gentle disposition towards its owners.
Staffordshire Bull Terriers are robust, courageous, and natural fighters despite typically weighing less than 40 pounds.