Top 10 Most Dangerous Dog Breeds in the World

German Shepherd (also known as Alsatian), (German: Deutscher Schäferhund) is a large-sized dog breed originating from Germany. In Vietnam, this breed is called Berger (pronounced béc-giê or bẹc-giê), a phonetic transcription from French berger, meaning shepherd dog. The German Shepherd is a relatively new dog breed, dating back to 1899. Originally bred for herding sheep, they are known for their strength, intelligence, and obedience in training, making them suitable for police and military forces.

German Shepherds have a medium-sized build, broad shoulders ranging from 55 to 65 cm, and weigh around 22-40 kg. They have a round head, a square-shaped long muzzle, a black nose, strong jaws, and a scissor bite. Due to their loyalty and protective instinct towards their owner, German Shepherds are one of the most popular dog breeds.

In the United States, there is a perception that German Shepherds bite more frequently than other breeds and may attack smaller dog breeds. A 1999 report in Australia provided statistics showing that German Shepherds ranked third in biting incidents in some regions of the country.

Rottweiler is a dog breed originating from Germany. In Vietnam, we commonly use the name 'Rốt' to refer to them. Initially used for herding and as working dogs, Rottweilers have become popular pets in many households. Despite their imposing appearance, they are intelligent and obedient, serving as excellent guard dogs.

Although warned as not suitable for indoor living, they are still widely kept as pets. Originating from Germany, Rottweilers were initially used as herding dogs but later trained for various roles, including police and service dogs.

Rottweilers are intelligent, robust, and possess excellent combat abilities. Despite their large and fierce appearance, they are obedient and make great companions. Currently, this breed is popular and comes with a high price tag, sometimes reaching up to $3000 per dog, attracting those with a genuine passion for these dogs.

Bullmastiff, also known as the bull mastiff, is a large breed created by crossing the bulldog and the English mastiff. Initially bred for dog fighting, they later served as guard dogs and family companions. The Bullmastiff has a large head, wrinkled face, and a square, short muzzle. Their nose is black, and their eyes are dark. The ears are V-shaped and slightly drooping. The tail is set high and quite long. The body is large, square, with a short coat, making grooming easy. Common coat colors include fawn, red, or brindle. A mature male Bullmastiff stands at a height of 63-69 cm, weighing about 50-60 kg, while females are 61-66 cm tall, weighing 45-54 kg.

This breed excels in guarding and vigilance. With good qualities, they are obedient and provide excellent protection for their homes. If they detect unauthorized intruders, they will immediately attack and subdue them. Intelligent and loyal, well-trained Bullmastiffs become cherished family members.

When mentioning the Doberman Pinscher, the image that comes to your mind is likely a formidable dog with sharp teeth. Dobermans were originally bred to be fierce guard dogs, but nowadays, they have been somewhat domesticated and become more calm.

The Doberman Pinscher is a breed that can be raised for home protection, guarding, or as a working dog. They are robust, intelligent, and quite fierce. Especially, this dog breed is rated as the most alert on the planet, so do not provoke it as many have become victims of their aggression.

Despite their fierce appearance, they are considered very agile with outstanding tracking abilities and highly sensitive ears. A male Doberman can be 67–72 cm tall and weigh about 40-45 kg, while females are around 65-70 cm tall and weigh 32-35 kg. Usually, the Doberman has a large, strong chest and a muscular, robust body. When well-trained, it becomes an excellent dog for your family.

Husky is undoubtedly familiar to many. They are one of the dog breeds that the dog-loving community adores the most because of their playful nature. Videos capturing their adorable moments when teased by their owners have made Huskies a sensation on social media. But those are the domesticated Huskies. In the wild, Huskies have an extremely wild temperament, coupled with a wolf-like appearance that makes them even more intimidating.

Husky is a medium-sized sled dog breed originating from Northeast Siberia, Russia. Huskies have been around for quite a while, alongside Samoyed and Alaska Malamute, being three famous sled dog breeds worldwide. People unfamiliar with dogs often mistake this breed for the Alaska Malamute. However, upon closer inspection, Huskies are much smaller, with an average height ranging from 53-55cm and a weight of 20-25kg.

Due to their origin in cold regions, this breed has a very thick and long double coat to provide the best insulation. They are known to be intelligent and friendly towards their owners. As sled dogs, they love physical activity, so regular exercise is essential to prevent them from becoming destructive indoors.

Presa Canario, commonly known as Canario, leaves a strong impression on those who see it for the first time. Their appearance alone reflects their power. Presa Canario, also known as Perro de Presa Canario, is famous for its fearless nature. With its brindle coat, it is often likened to a powerful tiger. This breed originated from the Canary Islands in North Africa. Discovered by the Spaniards around the 15th century during their invasion of the islands, Canario dogs were initially bred by the locals for property protection, hunting, and herding livestock.

During wars, they were used as a weapon, causing significant losses to the Spanish soldiers. This led to the near extinction of the Canario dogs after the war. However, they were later brought to Europe, where they were primarily bred for dog fighting. They were crossbred with various Western Mastiff breeds to enhance their stature and strength. This breeding process resulted in their current appearance.

In 1940, dog fighting was banned, putting the Presa Canario breed at risk of extinction again. It wasn't until the 1970s that their population began to recover. However, they are still banned or restricted in many countries. Today, this breed is classified among the top 10 most dangerous dog breeds in the world.

The Tosa Inu is a Japanese mastiff breed originating from the Tosa region 150 years ago, known for its giant size, warrior spirit, and valor in Japanese dog fights. Today, Tosa Inu is crossbred with other European breeds such as Bulldog, Mastiff, St. Bernard, German Pointer, Great Dane, Bull Terrier to increase size, creating a larger, healthier, and more robust fighting dog.

The adult Tosa's height is around 60 cm, weighing between 40–90 kg, with exceptional individuals reaching up to 105 kg, surpassing the size of an average adult. Like other giant breeds, Tosa Inu has an average lifespan of 10 years under ideal conditions.

Tosa Inu is loyal, calm, and barks infrequently. Both males and females excel in protecting family and property. With high intelligence and good memory, they can be trained with moderate time investment, but experienced trainers are needed due to their unusual temperament, massive size, and robust physique. Currently, this breed is prohibited in several countries worldwide, including Denmark, Turkey, Malaysia,...

Brazilian Mastiff is a majestic breed originating from Brazil, tracing its roots back to the renowned Mastiff lineage in the United Kingdom. Known for their size and fierceness, they are often employed as hunting and guard dogs. The Brazilian Mastiff boasts loose skin, a highly sensitive nose akin to the Bloodhound, and a robust physique with a strong, determined temperament, always ready to fiercely confront danger.

Due to their ancestry of large Mastiff breeds, Brazilian Mastiffs inherit large genes, making them gigantic among dog breeds. While mature females measure between 60–70cm in height and weigh over 40kg, males dominate with an average height of 65–75cm and a weight exceeding 50kg.

Training these dogs is challenging due to their large size and strong personality. It requires experienced and resilient trainers. Brazilian Mastiff is even considered the most challenging breed to train and is prohibited in many countries worldwide, including the United Kingdom, Norway, Denmark, Turkey, Malaysia, New Zealand, and more.

And the final breed Mytour wants to highlight in this list of the world's most ferocious dogs is the Argentine Mastiff. It's a large hunting breed with strong muscles, bred from a variety of dogs used for hunting such as wild boar, lions, and also for protecting owners, families, and property in Argentina.

The Dogo Argentino is usually white with some black patches on a white background, standing at a height of 61–69 cm. Males range from 62–69 cm, females from 60–65 cm, and they weigh between 36–45 kg. Their noses are black, with small eyes rimmed in pink. Muscular chests and deep chests give them a robust appearance. Short-cropped ears give their faces a cool demeanor. Straight-pointed tails create a balanced feel. All these physical characteristics give them a fierce, ready-for-battle appearance.

Compared to other ancient breeds, Dogo is still a relatively new breed. It falls into the category of difficult-to-train dogs. Like other large breeds with a history of dog fighting and hunting, Dogo requires an experienced owner of formidable dogs. Due to their aggression, they are banned in countries such as the United Kingdom, New Zealand, Ukraine, Denmark, ... In the United States, they are only banned in specific states such as Colorado, New York, and Michigan.