Top 10 Most Aggressive Dog Breeds

What we know to be a dog’s aggression is not contained in every dog. A dog can be aggressive or polite depending upon the way you behave with him. Aggressive dogs usually express certain actions like growling, showing teeth, snarling or even charging towards a person sometimes. As an owner, you need to understand that a dog can have various reasons for aggression. Sometimes it can also be due to illness or possessiveness. But some of the most aggressive dog breeds are assertive by nature.

However, these dogs can also be friendly depending upon the training you provide them. The American Temperament Test Society has recorded the aggressive attacks and the rough temperament depending upon the average size of the dog. Some of the most aggressive dog breeds are Doberman Pinscher, Dalmatian, German Shepherd and others.

Top 10 Most Aggressive Dog Breeds:

Alaskan Malamute:

Alaskan Malamute -Most Aggressive Dog Breeds

The Alaskan Malamute is one of the most aggressive dog breeds. However, they are not so aggressive when with children. These highly energetic dogs require a great tolerance level while training. These dogs are capable of carrying loads and are more popular in the Arctic region

These are mostly hunter dogs. They have the potential to hunt larger animals, even bears. They are also among the largest domesticated dogs and grow up to 100lbs. Because they live in the Arctic, they can tolerate extreme climates. They require both physical and mental stimulation to calm down their hyperactivity.


Dalmatian - Most Aggressive Dog Breeds

The American Kennel Club (AKC) lists Dalmatian among the working dogs. These dogs interact well with children and families and love to play with them. Yet, they are among the most aggressive dog breeds. These are energetic dogs and therefore require exercise to burn the energy.

These dogs weigh between 46 to 60 pounds and have glossy coats with black spots on them. An advantage of this dog is that they socialize at a tender age. Therefore training them is not an issue. However, these dogs can have behavioural issues if not provided with enough attention. In such cases, they exhibit unruly behaviour. About 81.3% of the Dalmatians have been tested with temperament issues

Doberman Pinchers:

Doberman Pinchers
Doberman Pinchers

This breed is also one of the most aggressive dog breeds. This breed originated in 1890 by Karl Friedrich Louis Dobermann, Besides being a domestic breed, these dogs are also very intelligent and strong. A special trait of this dog is that they are highly sensitive to sounds. This trait makes them one of the best guard dogs

They can sense danger from afar and can combat it on their own. The shape of their body makes them all the more dangerous. But, proper training and monitoring with consistency can prevent you from such aggression.

Chow Chow:

Chow Chow
Chow Cho

This breed has been grouped by the American Kennel Club as one of the non-sportive dogs. Originated thousands of years ago in China, these dogs were mostly used for hunting. However, after President Calvin Coolidge kept this breed as his pet, it started getting more famous in the US

Their assertiveness makes them one of the most aggressive dog breeds. They have a dominant personality and are very independent. As an owner, you should always make them socialize since they become aggressive in meeting strangers. They are also very protective of their owners. Their temperament may also be tough to handle at times. 



Chow Chow
Chow Chow

These are some of the stubborn breeds and love fighting, even with their small size. They are small yet one of the most aggressive dog breeds. The American Kennel Club lists this dog as the smallest breed. They weigh about four-six pounds and have short hair of any colour.

Like the Chow Chow, these dogs also require socializing. These are very loyal to their owners. However, they might exhibit jealousy towards other people who try to get close to their owners. It is suggested for the owners to treat Chihuahua just like any other member of the family so that they don’t develop a feeling of self-importance.



Ranked as the most aggressive dog breed in the world is the Rottweiler. They are also known as Rottweiler Metzgerhund in Germany because of their hunting skills. These dogs are also known for their worst temperament. Research claims that more than 84% of the Rottweiler undergo temperament issues. 

These are highly assertive by nature but do not cause much harm to humans. But, there are cases where their aggressiveness has caused them the life of many civilians in the US. To keep their actions in control, they must be trained continuously. Every action should be under observation so that dangerous reactions can be avoided. 

American Pitt Bull Terrier:

American Pitt Bull Terrier
American Pitt Bull Terrier

These dogs originated in the Staffordshire region in England. By far, they are the friendliest dog breed with children and families. But don’t judge them to be less assertive. If tempted by strangers, they can be one of the most aggressive dog breeds

They have a ferocious bark and a frightening stare. These dogs were earlier used for dog fights. This makes their breed even stronger. To get command over their aggressiveness, these dogs should be introduced to puppies and babies more often. This way, they can put forward their companionable side

Perro de Presa Canario:

Perro de Presa Canario
Perro de Presa Canario

This breed originated in Spain on the Island of Gran Canaria and Tenerife. Therefore, they also came to be known as the Canary Mastiff. It is also one of the most aggressive dog breeds in the world. They are strong-willed and dominant

Like the American Pit Bull, this dog breed is also used for dogfights. These dogs can be very unpredictable. To prevent destruction, these dogs should be made to spend quality time with family. Even though they are farm dogs, they exhibit hostile behaviour. Their aggressiveness makes it difficult to train and socialize them. But, proper training can make them one of the most obedient dog breeds. 


Basenji: -

This is one of the hunting breeds that originated in Central Africa. Apart from being one of the most aggressive dog breeds, these hunter dogs also express affection and alertness. This character makes them a part of the rescue groups.

Unlike the other dogs on the list, these dogs appear to be more reserved with strangers. They are very intelligent and reserved. Even though these dogs are dangerous, they are ideal for living with families. A special trait of this dog is that it can be very easily trained



Originated in Germany, these dogs have the most intimidating stare. Although they are one of the most aggressive dog breeds, they can become sweet and calm if they join good families. 

This breed contains a lot of energy. This energy has to be released so that they do not become destructive. These dogs are very active, both physically and mentally. Therefore, they become cautious about any upcoming danger, faster than others. It is preferred not to indulge them with small kids because they don’t appreciate getting teased. The way the Boxer behaves depends on how well he is trained

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From the above information, we can conclude that dogs are not as aggressive as they appear. The quality of a breed always depends on the breeder. If proper training is provided, any dog can become one of the friendliest members of our family. The temperament levels of every dog depend on its stability, shyness, friendliness and aggressiveness

No dog can be rated as the most aggressive dog breed unless a human force it to become one. Dogs like Rottweiler with major temperament issues can also be quiet and friendly as a Labrador Retriever depending on how you treat him.  An owner should always know that there are better ways of adopting a dog.

Frequently Asked Questions (FAQs):

Q. Which is the first dog breed in the world?

Labrador Retriever is known to be the first dog breed in the world. 

Q. Do Vets have the facility to check the temperaments of dogs?

Not always. Vets may not be the most suitable place to check the temperaments of dogs. The veterinarian can also prescribe certain location for conducting the tests.

Q. How will I know if my dog prefers kids?

Simply remove your kid from the situation. Wait for the dog to come to find him. If he does, he surely loves kids. If not, it is advisable to keep them away. 

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