Powerful and massive, Caucasian Shepherds can weigh over 170 pounds. Originally bred to protect livestock, they are fearless and highly protective of their family.
Known for their imposing size and thick coat, Tibetan Mastiffs can weigh up to 150 pounds. They are independent and make vigilant guard dogs.
Originally bred for rescue work, Saint Bernards can weigh up to 180 pounds. Their size and strength make them formidable, but they are gentle with family.
Great Danes can reach heights of 30 inches at the shoulder and weigh over 150 pounds. Despite their size, they are affectionate and protective.
Also known as the French Mastiff, this breed is muscular and can weigh up to 150 pounds. They are loyal and protective of their home.
With a wrinkled, intimidating appearance, Neapolitan Mastiffs weigh up to 150 pounds. They are fearless guardians, known for their loyalty and protective nature.
Leonbergers are large, elegant dogs weighing up to 170 pounds. They are gentle giants with a natural guarding instinct, making them excellent protectors.
The Boerboel is a South African breed that can weigh up to 200 pounds. Bred to protect farms, they are powerful and highly territorial.