30 Most Dangerous Dog Breeds in the World

30 Most Dangerous Dog Breeds in the World

Dogs are the favorite pet animals that many of us have or want to have. There are a wide variety of dog breeds across the world that are known for some specialty or the other. Some are cute, some are dangerous, but categorizing domesticate dogs into the dangerous category would be wrong.

However, there are some dog breeds that do have the potential of causing serious harm to humans, if they plan to attack. This blog is about the most dangerous dog breeds that need proper training and loving ownership.

Most dangerous dog breeds in the world

Dogs are not potentially harmful or dangerously, unless they are not trained properly. Dogs always look for opportunities to please their masters and so, it is quite surprising to believe that dogs can be aggressive and dangerous. The chances of such incidents only arise due to harsh ownership and improper training.

The list of the most dangerous dog breeds is formed on the basis of the potential of a dog to harm humans seriously.

1. Tosa Inu

Tosa Inu

The first on the list is Tosa Inu, a huge dog found in different variations that divide them into different height and weight. They weigh around 130 to 200 pounds and grow up to a height of 24.5 inches to 32 inches. The breed was originally trained to be a fighting dog and hence is considered very dangerous. It is even restricted legally in some countries.

2. American Bandogge

American Bandogge

American Bandogge is a strong dog, which is a cross breed of a Neapolitan Mastiff and American Pit Bull Terrier. Despite its muscular look, this bred was not bred for fighting. However, people have used it as a fighting dig in some countries.

3. Cane Corso

Cane Corso

The Cane Corso is a breed known as the last coursing Mastiff breed. This well-muscled dog is a descendant of the Canis Pugnax – the dogs which Romans used in warfare. There weight is somewhere between 99 and 150 lbs. Cane Corso is a born fighter breed and is quite brutal when it comes to attacking. Now you know why the Romans used it in warfares. It gave them protection and also one of their attacking means.

4. Bull Terrier

Bull Terrier

A Bull Terrier is popular for their large heads in shape of an egg. These are exceptionally strong dog breeds, ranking #1 in the pound-for-pound lean muscle tissue. Even though it is not as aggressive as the other breeds mentioned above, it has got a powerful prey drive. This trait of a Bull Terrier makes it a dangerous dog for the smaller animals.

5. Rhodesian Ridgeback

Rhodesian Ridgeback

Belonging to the Southern Africa origin, the Rhodesian Ridgeback is a dog breed famous for its ability to keep the lions away from their prey while their master goes for a kill. It is a semi-domesticated dog, which is used for hunting. It is intelligent and loyal, but can be very aggressive towards strangers.

The breed requires good socialization skills, positive reward-training and avoidance of any kind of rough treatment. It might develop an aggressive side, if not taken care properly.

6. Great Dane

Great Dane

Great Danes belong to the sensitive and emotional group of dogs. These can grow to gentle giants with proper care and training, However, if mishandled or trained wrong, they can be quite aggressive and dangerous. If you have got a Great Dane recently, better train and socialize it well, ensuring it doesn’t pose any threat to your guests! With their huge height and weight, they can cause fatalities.

7. Boxer


Boxers are typical hunting dogs that are used for attacks and as guard dogs since being bred. They have got a strong jaw and powerful bite. Got a well-trained boxer at home? You need not worry about any illegal break ins or theft! You are protected well. Nevertheless, improper training can make them aggressive attackers. Remember not to be harsh during the training sessions of a boxer. Any kind of punishment or rough treatment can worsen the situation.

8. Wolf Hybrid

Wolf Hybrid

As the name suggests, this breed is a cross of dogs and grey wolves. These are unpredictable dog breeds that have a mind of their own. They are wild, demanding and dangerous. Many states in the Unites States of America have banned owning a Wolf Hybrid as a pet.

9. Alaskan Malamute

Alaskan Malamute

Alaskan Malamute are energetic dog breeds that can get quite aggressive if not trained well. You must ensure using their energy in a positive way. These dogs always feel like hunting for prey. So, you need to take extra care when having an Alaskan Malamute as your house pet. Another point to remember about this breed is that they learn slow, which will ask for your patience while training them.

10. Siberian Husky

Siberian Husky

Like Alaskan Malamute, Siberian Huskies are bred as working dogs and so they are not very social. However, with right training and approach, you can make them calm and friendly. But, poor training and socialization can turn them into dangerous and aggressive for sure!

11. Bull Mastiff

Bull Mastiff

Used as guard dogs since bred, the Bullmastiff is a natural aggressive dog. If not cared well, their aggressive temperament can result in fatalities as well. To avoid any unpleasant incidents while having them as a house pet, you need to give them proper training and make them obedient.

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12. German Shepherd

German Shepherd

German Shepherds belong to a class of dogs that are very focused on taking down a danger. Their great speed can cause fatalities. Appropriate training, affection and socialization can somewhat control their aggressive temperament. If you do this, you will have a loving, protective and loyal household pet.

13. Rottweiler


Out of the many dangerous dog breeds named in the list, Rottweilers are one of the worst tempers dogs. These dogs are not known as a suitable family dog, especially for an amateur and impatient owner. You need to be an assertive, calm and patient individual to pet a Rottweiler. They need continuous training and attention to avoid danger and aggression.

14. Pitbull


Another type of fighter dogs on the list is Pitbull. These are breeds with strong jaw and bite; they will not stop until completing the task. The enthusiastic dog breed do not leave their bite easily. You need to train and socialize then as to pet them in your house and avoid dangerous encounters.

You will find the term ‘pit bull’ used for several dog breeds such as American Pit Bull Terrier and Staffordshire Bull terrier. This breed was originally bred for baiting bears and bulls. The majority of pitbull dogs were used in dog fighting in different regions of the world. It is one of the most dangerous dog breeds found in America. But, when raised properly, there is no other breed as caring and loving as Pit Bull.

15. Dogo Argentino

Dogo Argentino

The Dogo Argentino is a massive, white, muscular dog bred in Argentina, mainly for big-game hunting. The hunting involved puma and boar hunting. Just imagine the strength and level of danger the bred can pose to the victim. These dogs are extremely athletic and strong. It was bred to be a non-aggressive species towards humans. Regardless of its breeding, under the Dangerous Dogs Act of 1991 of United Kingdom. It is illegal to have a Dogo Argentino as a house pet.

These dogs won’t hunt humans on purpose, never, but can be a threat to other animals in their surrounding. It is a loyal, string and brave dog that will protect its owner from any kind of threat.

16. Boer Boel

Boer Boel

The Boer Boel is a huge, Mastiff dog breed belonging to South Africa. The dog was bred for as a guard dog for a farm or house. They were used as a first line of defense against the predators. These are very smart in attacking and holding down a wounded victim. They are loyal dogs that are very protective of their owner and family.

17. Gull Dong

Gull Dong

The Gull Dong is a breed also called Pakistani Bull Dog. It is a cross of Bully Kutta and Gull Terrier. These are the breeds with which Gull Songs are often confused. Gull Terrier is also called Pakistani Bull Terrier and Bully Kutta is referred as Pakistani Mastiff, Indian Mastiff or PBK. Gull Dongs are a cross of a combination of 3-quarters of Gull Terrier and 1-quarter of Bully Kutta. In appearance and looks, Gull Dong takes the trait of agility and swiftness from Gull Terrier and the size and power from the Bully Kutta. It is a mid-size dog, which is taller than Gull Terrier, but compact than the Indian Mastiff or Bully Kutta.

Not much is known by experts about the history of Gull Dong apart from its origin. It belongs to the British Colonial India – in the area that became a part of Pakistan in 1947. The breed of dog is super powerful and strong. The Dong was particularly bred to be a fighting dog. It can sometimes get very aggressive and difficult to control.

18. Basenji


Basenji is a hunting dog breed that has its origin in Central Africa. Classified as a strong sight hound, Basenji exhibit curiosity, alertness and affection. However, they are quite reserved with strangers. Of all the breed types, Basenji the second least trainable dogs.

19. Saint Bernard

Saint Bernard

The Saint Bernard is a huge working dog breed that belongs to Swiss and Italian Alps origin. It was originally bred to be a rescue dog. They are famous for their tales of their Alps rescue mission abilities and their gargantuan size.

Like other large digs in this list of most aggressive dogs in the world, they must be socialized and trained well to be good to strangers and other dog species in their surrounding, Their training starts right from infancy to prevent any aggressive territorial behavior.

20. American Bulldog

American Bulldog

The American Bull Dog is one of the most muscular heavy dog. Although they are popular for their friendly and pleasant behavior, but they can exhibit trait of stubbornness. This is because of their high confidence level. The breed was specifically bred to be a working farm dog to catch and hold cattle and wild boar, guard the owner’s land and kill vermin.

21. Fila Brasileiro

Fila Brasileiro

The Fila Brasileiro is known as a large dog of Brazil. Also called Brazilian Mastiff, the breed possesses superb tracking abilities, but is an impetuous and aggressive dog. Because of its massive size, worse temperament and potential for aggression, Fila Brasileiro is banned in several countries. Despite extensive socialization, the breed is protective of its owner. However, it is not a good choice for people who have frequent visitors to their house.

The dog’s name comes from the Portuguese word ‘filar’, which means to arrest, hold or grab’. Fila Brasileiro is a breed famous for it instinctive protective behavior, very agile while protecting its owner and gets wary of strangers. Its historic origin resulted in invention of a Brazilian saying – As faithful as a Fila. The temperament of this breed is what builds its characteristics. There’s a portuguese word used to explain the temperament of a Fila – “ojeriza”, meaning distrust and dislike.

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22. Perro de Presa Canario

Perro de Presa Canario

Another large dog on this list of most dangerous dogs of the world includes the Perro de Presa Canario. It was originally bred for working livestock. It has got a Spanish name, meaning ‘Canarian catch dog’. The breed demands early obedience and socialization training. There might come a situation when Presa can be suspicious of strangers and aggressive towards other dog species.

23. Akita Inu

Akita Inu

This one is a spitz dog breed that belongs to the mountainous areas of Japan. It has two breed types – the Akita (American Akita) and the Akita Inu (Japanese Akita). String, dominant and independent breed. They are very affectionate with the family members. However, stay aloof with strangers because of their territorial attitude.

An Akita is known to shed hair, even though a bit, but it does. So, when having an Akita Inu as a pet, be ready to wipe some drool off their face. You will have to be prepared for frequent cleanups. They are stubborn dog breeds and not so happy in company of strangers. It is a superb trait of a watchdog, isn’t it? Undoubtedly it is, but if not trained well, this trait can cause harm to humans and other animals around.

They are faithful companions that will feel attached to a right owner, one who shows affection and takes care of the dog with love and adoration. So, if you are ready to take the responsibility of an Akita, you are up for having a lifelong friend. However, that doesn’t make them any less dangerous!

24. Chow Chow

Chow Chow

Chow Chow is no doubt a cute, small dog but can be quite aggressive due to continuous ignorant behavior from their owners. Even though they seem to be independent and distant, they need great attention to not end up growing into an ill-bred, aggressive pet dog.

Originally belonging to China, Chow Chow is also known as ‘puffy-lion dog’ or ‘Songshi Quan’. The dig has got some discernment skills towards strangers and are very protective of the owner. Considerably dangerous and high-risk breed of dogs, they are unacceptable as house pets. Another reason behind this is the total number of 238 fatalities caused between 1979 and 1998.

However they can be housed in apartments, but require daily exercises and physical activities to avoid turning them into an aggressive dog.

25. Doberman Pinschers

Doberman Pinschers

Known for their loyalty, alertness and intelligence, Doberman Pinschers is a dog breed that serves as the best guard dog. They only attack when provoked or due to a sense of danger posed towards their family or owner’s property.

Doberman Pinschers is a domestic dog breed originated from Germany in the year 1890. Named after its founder Karl Friedrich Louis Doberman, the breed weighs around 65 to 90 pounds.  Even though they were used as police dogs and guard dogs, they can also exhibit dangerous and aggressive behavior towards strangers and other dog species. However, proper training and socialization can control their aggression to an extent. Their huge size and powerful strength also make them one of the most dangerous dogs in the world.

26. Caucasian Ovcharka

Caucasian Ovcharka

The Caucasian Ovcharka, also called Caucasian shepherd was originally bred to protect the livestock. A Caucasian Ovcharka is a strong-willed, assertive and courageous.

However, they only pose threat and exhibit unmanageable and ferocious tendencies when not properly trained and socialized. They do not accept people and thus, lack the powerful urge to defend. If you are not ready for taking care of a dangerous dog as Caucasian Ovcharka, you should better go for the smallest breeds of dogs.

27. Shar Pei

Shar Pei

Shar Pei is a pooch, which is domesticated but still needs socialization and proper training to become a good house pet. If not trained well, they can be a serious risk to humans around and become aggressive. These dogs are famous for their wrinkly skin folds. Like many other dogs on the list, Shar Pei was also bred to be a loyal guard dog in China.

28. Dalmatian


Surprising, but true! The classic heroes of 101 Dalmatians of Disney have made it to the list of most dangerous dogs in the world.

Dalmatians are large breed having a muscular body. They have great endurance than most dog species in the entire Animal Kingdom. However, if riled to an extent, the level of damage they can cause is unimaginable!

29. Bedlington Terrier

Bedlington Terrier

Bedlington Terrier might seem much similar ti a miniature sheep in appearance. But, it is not a pooch that can be crossed, especially when it is another dog species of the same size.

The reason why we have included Bedlington Terrier in this list is that it is considered as a “versatile dog being good with children and fit to kill any other dog of his weight.”

30. Korean Jindo

Korean Jindo

This one is the national dog of Korea. It is a famous house pet for its gentle and loyal nature. If its gentle and loyal, why placed on the list of most aggressive dogs in the world? Well, it has also got a fearsome side!

If you do not take enough care of the dog breed, their pleasant nature can soon turn into a dominant and destructive trait. Now, these are a common traits that all owners want to avoid having in their pet! So, make sure you train them well and show enough affection and care.


Dogs are the best companions us humans can think of in today’s modern world. Most people wish to pet a dog for their house – as a watchdog, friend and companion. However before deciding which dog to have, remember these most dangerous dogs in the world. They need extra care, attention and training.


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