Joseph Dogs are known for their loyalty and companionship, but some breeds also possess incredibly powerful bite forces. The average dog bites with a force of around 235 pounds per square inch (PSI). However, certain breeds far exceed this, making them excellent guard dogs or livestock protectors. Here are the top 10 dog breeds with the most powerful bite forces, backed by credible sources.
10. Central Asian Shepherd Dog – 500 PSI
The Central Asian Shepherd Dog, one of the world’s oldest breeds, boasts an impressive bite force of 500 PSI. Originating over 5,000 years ago, this breed developed naturally, rather than through human-guided breeding. Traditionally, they accompanied nomadic tribes, protecting livestock and people from predators.
- Height: 27.5 inches (69.9 cm)
- Weight: 110 pounds (49.9 kg)
- Traits: Loyal, protective, and strong-willed
- Best for: Guarding and protection duties
9. Perro de Presa Canario – 540 PSI
Known as the “Canary dog of prey”, the Perro de Presa Canario was bred in the Canary Islands for guarding livestock. With a bite force of 540 PSI, this breed is part of the molosser group, which includes other powerful dogs like Mastiffs and Cane Corsos.
- Height: 22–26 inches (56–66 cm)
- Weight: 84–110 pounds (38–50 kg)
- Traits: Confident, calm, and protective
- Best for: Property protection and watchdog roles
8. Tibetan Mastiff – 550 PSI
Resembling a lion with its thick mane, the Tibetan Mastiff has a bite force of 550 PSI. This massive breed hails from the Himalayan region, where it was used to guard sheep against snow leopards and wolves.
- Height: 26+ inches (66+ cm)
- Weight: Up to 150 pounds (68 kg)
- Traits: Independent, reserved, and territorial
- Best for: Livestock guarding and protection
7. Caucasian Shepherd Dog – 550 PSI
The Caucasian Shepherd Dog, originally from Eastern Europe, also delivers a 550 PSI bite force. These dogs were bred to protect livestock from large predators like wolves. With their massive build, they are highly effective deterrents against threats.
- Height: 26–30 inches (66–76.2 cm)
- Weight: 100–170 pounds (45–77.1 kg)
- Traits: Fearless, protective, and dominant
- Best for: Farm and property security
6. English Mastiff – 552 PSI
The English Mastiff combines a massive frame with a powerful bite force of 552 PSI. This breed dates back to 55 BCE, when it was admired by Julius Caesar during his invasion of Britain. Despite their formidable strength, English Mastiffs are gentle and affectionate with their families.
- Height: 30+ inches (76.2+ cm)
- Weight: Up to 230 pounds (104 kg)
- Traits: Calm, loyal, and protective
- Best for: Family companionship and guarding
5. Black Russian Terrier – 556 PSI
Despite its name, the Black Russian Terrier is not a true terrier. Developed by the Russian military in the 1950s, it was bred for guarding and military tasks. Its bite force of 556 PSI makes it a powerful protector.
- Height: 26–30 inches (66–76.2 cm)
- Weight: 80–130 pounds (36–60 kg)
- Traits: Confident, intelligent, and alert
- Best for: Protection and police work
4. Tosa Inu – 556 PSI
The Tosa Inu, or Japanese Fighting Dog, delivers a crushing 556 PSI bite force. Originally bred in Japan for dog fighting, this breed combines the strength of Mastiffs, Great Danes, and Bulldogs, giving it exceptional power.
- Height: 21.5–23.5 inches (54.6–60 cm)
- Weight: Up to 200 pounds (90.7 kg)
- Traits: Courageous, disciplined, and loyal
- Best for: Guarding and protection
3. Dogue de Bordeaux – 556 PSI
Also known as the French Mastiff, the Dogue de Bordeaux is famous for its massive head, which enhances its bite force to 556 PSI. Initially used for guarding estates and cattle, this breed is powerful yet affectionate with its family.
- Height: 23–27 inches (58–68.6 cm)
- Weight: 99–110 pounds (45–50 kg)
- Traits: Devoted, calm, and protective
- Best for: Guarding and companionship
2. Cane Corso – 700 PSI
The Cane Corso, an ancient Italian guard dog, has a fearsome bite force of 700 PSI. Known for its muscular build and protective instincts, this breed excels at safeguarding properties and deterring intruders.
- Height: 24–28 inches (61–71.1 cm)
- Weight: 88–110 pounds (40–50 kg)
- Traits: Intelligent, alert, and assertive
- Best for: Farm protection and personal security
1. Anatolian Shepherd Dog – 743 PSI
Topping the list is the Anatolian Shepherd Dog, with the strongest bite force of any breed at 743 PSI. Originating in Turkey, these dogs were bred to protect livestock from predators like wolves. Their imposing size and immense strength make them highly effective protectors.
- Height: 27–29 inches (68.6–73.7 cm)
- Weight: 110–150 pounds (49.9–68 kg)
- Traits: Protective, independent, and loyal
- Best for: Livestock guarding and rural protection
Key Takeaway
While these breeds are powerful, bite force alone doesn’t determine a dog’s temperament. With proper training and socialization, even large, strong dogs can be loyal and affectionate companions. However, their bite strength makes them ideal for protection and working roles.
FAQs
1. What is the average bite force of a dog?
The average dog bite force is around 235 PSI, but larger and stronger breeds can significantly exceed this.
2. Which dog breed has the highest bite force?
The Anatolian Shepherd Dog holds the record with a bite force of 743 PSI.
3. Are strong-bite dogs dangerous as pets?
Not necessarily. With proper training and socialization, these breeds can be loyal and gentle with their families.
4. How is bite force measured?
Bite force is measured in pounds per square inch (PSI), indicating the pressure exerted when a dog bites down.
5. Are mastiffs the strongest-biting group?
Yes, mastiff breeds (including Cane Corso, English Mastiff, and Dogue de Bordeaux) dominate the list due to their size and strength.
