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It’s crucial to do complete research on the dog breed you’re thinking of adopting or buying. It’s because some dog breeds are very giant, huge, and aggressive, pose many threats, and need huge time and training to be docile and tamed.

Similarly, some dog breeds have a higher propensity to be violent than others, making them less suitable for easily startled owners or families with small children.

Let’s look at some of the most aggressive dog breeds in the world.

The 23 Most Dangerous and Aggressive Dog Breeds 

Dogs are known for being man’s best friend, but not all breeds are created equal when it comes to aggression and danger.

In this blog post, we’ll be taking a closer look at some of the most aggressive and dangerous dog breeds, highlighting their unique characteristics and potential risks.

Whether you’re a dog owner, a prospective dog owner, or simply curious about different breeds, this post will provide valuable information to keep in mind.

Rhodesian Ridgeback

Rhodesian Ridgeback

The Rhodesian Ridgeback hails from its native continent of Southern Africa. They are famous for their skill in distracting lions so that their masters may successfully hunt down and kill their prey. They are considered the most aggressive dogs in the world.

This moderately grooved hunting dog is devoted and bright, yet it maintains a distant temperament toward unfamiliar people. Due to their tendency to be too sensitive and the possibility that they will develop an aggressive side, Rhodesian Ridgebacks require training that is based on positive reinforcement, the avoidance of harsh treatment, and excellent social skills.


Boerboel dog breed

The Boerboel dog breed originates in South Africa and is a vast mastiff breed. They were initially created to protect a home or farm. These canines frequently served as a first defense line against various forms of predation and were extremely helpful in tracking down and restraining injured games. But remember, they are very dangerous and aggressive.


Boxer dog breed

Boxers are muscular dogs with a strong will and energy; for this reason, they are frequently regarded as among the most hostile/aggressive dog breeds. Boxers are lean and independent and have a lot of drive.

They were initially developed as hunting dogs but were also put to service as security dogs during World War I. Boxers are also the most aggressive dog breeds ranked almost every year for aggression.

The Boxer is also known for its protective nature and has the potential to flourish with the right amount of training and exercise. Because a boxer’s bite has the potential to cause significant harm, they need to get enough exercise and have something that can keep them occupied at all times.


Bullmastiff dog breed

If they aren’t adequately taught and socialized, Bullmastiffs become aggressive and have tendencies to protect their territory, which might lead to undesirable conduct on their part.

The good news is that they can be integrated into society considerably. If you start teaching them while they are young by taking them for walks and exposing them to various people, they will likely mature into calm and friendly animals.


Akita dog breed

Because of its naturally protective attitude, this giant Japanese breed is frequently used in its native country as a member of the police force or as a guard dog. Akitas are known to be apprehensive of new people and may make excellent, if excessively attentive, watchdogs when kept as pets.

They can be hostile towards the other pups and may bite if they are not properly trained when they are young to teach them how to tell the difference between harmless animals and people and actual dangers.


Basenji dog breed

The Basenji is a breed of dog that originally hails from Central Africa and is used for hunting. They have been categorized as a hypoallergenic breed, and their characteristics include vigilance, curiosity, and love.

Even if they are reticent with strangers and are aggressive by nature, they have the potential to become friends if they are taught from a young age.

American Staffordshire Terrier/American Pit Bull Terrier

American Pit Bull Terrier

If you’ve looked at the statistics on bites caused by pit bulls, you might be shocked to find American Pit Bulls Dog ranked so high on this list. It is because they are dangerous and aggressive.

Additionally, the word “pit bull” really refers to numerous other breeds of dogs, including many canines that are mixes of different breeds. Temperament testing reveals that American Pit Bull dogs and other dogs of the bully breed are not even close to being the most aggressive canines in the world when the dogs in this category are broken down into their constituent breeds.


Three Chihuahua dogs

Even though they are relatively tiny, Chihuahuas often receive pretty poor ratings on temperament tests. On the other hand, there is a lack of consensus over whether the Chihuahua’s propensity for aggression is a result of its genetic makeup or the fact that many Chihuahuas do not receive appropriate training or socialization.

Because of their small stature, even a Chihuahua that is really hostile won’t be able to cause much damage. Having said that, if you own a Chihuahua, you must ensure that it receives the appropriate training and socialization and that it is not permitted to run free in settings that might provoke aggressive behavior in the dog.

Doberman Pinscher

Doberman Pinscher dog breed

The facial expression of the Doberman, which is well-known for its effectiveness as a guard dog, has been known to dissuade many would-be thieves from carrying out their sneaky schemes. Because of the breed’s naturally high level of owner protection and aggressiveness, it is an excellent option for families with small children.

Dobermans, on the other hand, have an adverse reaction to strange people trespassing on their territory. Doberman owners are responsible for taking additional safety measures to prevent their dogs from interacting with other people.

People who are thinking about bringing a furry companion into their home are strongly urged to look into the statistics that pertain to the likely behaviors of the animal they are contemplating keeping as a pet. Even if dogs belonging to the aforementioned breeds can still be nice pets, there is a bigger possibility that they may bite someone else.

Siberian Huskies

Siberian Husky dog breed

Although the husky poses a risk to human beings, they pose an even more significant threat to domestic pets and other smaller animals. These canines are explicitly developed to be incredibly powerful and aggressive to pull sleds through the winter.

They have a powerful instinct to hunt, which makes them potentially hazardous in some situations. However, if you gave it the appropriate training, you would be able to put a smaller animal inside securely.

These canines are not only harmful to other living creatures, but they also have the potential to do significant damage to your property. It is possible that when you get home from work, you will find your husky has destroyed furniture and left a significant mess in your absence.

Perro de Presa Canario

Perro de Presa Canario dog breed

The Canary sheepdog, also known as Perro de Presa Canario, is a giant breed of dog that was mainly designed to assist with livestock. The breed’s name comes from Spanish and literally translates to “Canarian catch dog.”

Communication and obedience training must begin at an early age. The Presa is known to be hostile toward other canines and wary of people they do not know when they are in specific settings.

German Shepherd

German Shepherd dog breed

The German Shepherd is another breed of working dog known for its high intelligence, mobility, and aggressiveness. These dogs are used in a range of professions, including as police, guiding, and search-and-rescue dogs. Their towering size and intense focus can give them an imposing appearance, and this might cause them to be suspicious of newcomers.

German Shepherds are inherently defensive, but if they are socialized with a variety of people and animals beginning when they are young, they may make wonderful, trustworthy family companions.

Cane Corso

Cane Corso dog breed

Cane Corso is a breed of enormous mastiffs first developed in Italy to hunt large animals and protect the land. It is doubtful that even adequately trained puppies will ever feel at ease among unfamiliar people because of how seriously it takes their job as dedicated guard dogs.

The Cane Corsos are very aggressive and have a strong desire to hunt, thus in order to protect the safety of the smaller animals that live nearby, such as cats and small dogs. These dogs must be kept in a limited space at all times.

The owner of a Cane Corso has to be authoritative and unwavering, and the dog should also get early etiquette and social instruction from an experienced professional.

Labrador Retriever

Four Labrador Retriever dogs

Biting is a significant challenge for many people who have recently acquired young puppies. If this is your first experience with having a puppy, you could be taken aback by the force of a Labrador dog’s bite. Lab puppies keep biting and nibbling if they are not appropriately trained at a very early age.

This behavior may sometime prevail in the adult dog, and they become aggressive and dangerous. So, early training is a must for these cute canines. But, remember Labradors are the least aggressive dog breeds in our whole list.

Great Dane

Great Dane dog breed

The Great Dane is one of the giant dog breeds in the world. He is the dog who holds the world record for being the tallest in the world, measuring in at a whopping 44 inches. He was first developed for the purpose of hunting deer and black bears due to his aggressiveness.

The Great Dane has the potential to be a wonderful pet for families, provided that he receives enough training. In general, these dogs like children, and many of them are willing to let even very young children ride on their backs like a horse.

On the other hand, the immense size of these canines can make them somewhat dangerous if they are not adequately taught. If the dog displays aggressive behavior, you can place yourself in a highly precarious circumstance because of his height of up to three feet and his mass of up to 125 pounds. If they are given the necessary amount of love, care, and training, these canines will make fantastic additions to any household as a pet.

American Bulldog

American Bulldog dog breed

The American Bulldog is a powerful canine with a stocky build. Even though they have a reputation for having a cheerful and sociable disposition, American Bulldogs can occasionally demonstrate the attribute of stubbornness because they are so self-assured.

The American Bulldog was initially raised as a working agricultural utility dog that could trap and keep wild boar and livestock, kill pests, and defend an owner’s land.

Alaskan Malamute

Alaskan Malamute dog breed

These canines are pretty massive, and some of them may reach a weight of over 90 pounds. These dogs have the disposition to be calm, and as a result, they make fantastic working dogs. Much like the Husky, the Malamute is famous for its ability to pull sleds in subzero temperatures.

But due to their size, having one of these animals as a pet in a home with small children is not recommended, and they also sometimes become very aggressive and dangerous if not appropriately trained.


Rottweiler dog breed

Depending on the training they receive as puppies, Rottweilers can develop into gentle and lovable family pets or fearsome guard dogs despite being considered the world’s most dangerous and aggressive canines. Their stocky, thick frames may weigh up to 140 pounds, and they have a natural tendency to be protective and territorial, all of which are attributes that can be used to one’s advantage.

However, with the proper attention and training from a responsible owner, Rottweilers may be well-trained and socialized to become obedient family pets.

Dogo Argentino

Dogo Argentino dog breed

The Dogo Argentino breed of dog is a huge, white, muscular dog that was created in Argentina, particularly for the aim of massive hunting, including hunting black bears and puma. This dog is very ferocious and aggressive by nature.

The Dogo was never intended to be an aggressive breed toward people, despite its impressive physical prowess and prowess in the field makes them dominant, which assists in their natural aggressive behavior.

Pit Bull

Pit Bull Breeds

Nearly every day, a new report emerges detailing an attack by a Pit Bull on a human that was either fatal or came dangerously close to becoming so. This breed is famous among those who desire a four-legged friend that can also act as a defender since it descended from a breed of warriors and has a reputation for being aggressive.

Pit bulls are considered the world’s top most aggressive and hostile breed. When it comes to the number of deadly dog bites that have been documented, Pit Bulls stand head and shoulders above all other breeds. The vicious nature of the species has been widely documented, and it is common knowledge that animals of this kind will attack youngsters and adults with minimal or no provocation.

In the United States in 2012, there were a total of 38 fatal dog attacks, 23 of which were caused by Pit Bulls. So, Pitbulls are statistically the most aggressive dog breeds in the world.

Saint Bernard

Saint Bernard dog breed

Having watched the Beethoven movies, you probably have a positive mental image of Saint Bernard as a clever, defensive, and devoted family pet. This might be true, but they sometimes also behave hostile and aggressively. This dog is native to the Italian and Swiss Alps, where he became well-known for his ability to save hikers who had been lost on the icy slopes and needed assistance getting back down.

These dogs have a reputation for being kind and protective, but they also have a tendency to be highly territorial. Socializing a young Saint Bernard with outsiders and other animals is essential to prevent him from developing a possessive and violent attitude as he ages. You should begin this process as soon as possible after you bring the puppy home.

If he receives the right kind of training, a dog of this breed has the potential to become an excellent companion. If he isn’t, his large stature and aggressive nature make him a possible threat. This breed typically ranges from 160-250 lbs in weight.

Chow Chow

Chow Chow dog breed

This breed may look like a teddy bear, but don’t be fooled by its looks. The vast majority of Chow Chows are incredibly territorial and will display aggressive behavior toward other dogs or people who go onto their land. Chow Chows may also defend their territory with their mouths.

The Chow Chow was initially created in China as a multi-purpose dog for hunting and guarding. It also tends to form a close attachment with a specific family member. In general, it is not a loving dog, but it is pretty vigilant regarding its family’s safety. In order for a dog to be a suitable companion for a family, it must be socialized and trained from an early age.

Akita Inu

Akita Inu dog breed

Akita Inu is also considered somewhat aggressive and hostile. They are considered the most naturally aggressive dog breed. These dogs possess a gene that makes them naturally aggressive, and this trait can be challenging or impossible to eradicate. Their attitude can shift dramatically in the space of a single minute, going from playful to hostile.

According to the advice of the American Kennel Club, you should never leave young children or any other pets alone with Akita Inus. Go to obedience training lessons with your breed of dog with a strong will to learn how to rein in your Akita Inu’s aggressive tendencies if you want your home to be secure and peaceful.

What Makes the Most Dangerous Dog Breeds Threatening?

Heavy appearance, sturdy build, bulky body shape, large jaw structure, and sharp/long teeth size make most dog breeds dangerous and threatening.

Why Are Some Dog Breeds More Aggressive and Likely to Attack?

Environmental and genetic variables have a role in developing aggressive behavior. Some breeds of dogs have been selectively developed to have a more aggressive instinct in order to be better suited for fighting, protecting, or hunting. Some breeds may have bred-in aggressive tendencies unintentionally due to selective breeding practices.

FAQs About Aggressive Dog Breeds

What Is the Most Aggressive Dog?

American Pit Bull Terriers are often regarded as the most dangerous and aggressive dog breeds in the United States. These canines were initially created for the purpose of defending hunters from bears and baiting bulls.

What Is the Most Dangerous Dog?

The Rottweiler and Pit Bull are considered the top most aggressive dog breeds. They are also one of the oldest canine companions of purebred lines.

Which Dog Has Killed the Most Humans?

Pitbull have killed most humans. According to recent data, 346 out of 521 fatalities were caused by assaults by pit bulls.

Which Dog Is Very Aggressive?

Pitbull is a very aggressive dog breed, followed by the Rottweiler.

Which Dog Can Kill a Lion?

The Rhodesian Ridgeback was originally bred to hunt lions.

What Is Considered the Most Aggressive Dog?

Pitbull are considered the most aggressive dog.