Appearance is deceptive: top most aggressive dog breeds

Any dog can bite. But some dogs do it much more frequently than other breeds. We used to mistakenly believe that the most biting and aggressive is a large and dangerous dog breed, such as Pitbull Terriers, Rottweilers and Dobermans. For many it will be a surprise, but more often the smaller breeds of dogs are more aggressive than truly dangerous ones.

Below we present you the TOP 10 of most aggressive breeds:

1. Dachshund


What a surprise! Recent studies by scientists who studied the behavior of dogs, showed that the Dachshund is the most aggressive dog in the world. Serious harm to the person it will not cause, no matter how much it bites, but Dachshunds are known for their hatred to strangers. Statistics showed that every 5th Dachshund once in its life had bitten a stranger, and each 12th - attacked its master. The breed does not get along very well with children.

If you don’t want your Dachshunds to show aggression, satisfy your pet needs in exercise, that it is able to perform on its short legs. In this case it will not gain excess weight, which can lead to excessive aggression.

2. Chihuahua


On the second place in the ranking is even a smaller breed of dog - Chihuahua. Recently this breed has become very fashionable and many people do not take these dogs seriously. But in vain! When Chihuahua is aggressive, not many dogs will surpass it. More likely you can be bitten by the Chihuahua than a Rottweiler.

Leadership qualities of this breed are very strong, so the owner must properly train their pets and from early childhood to socialize Chihuahua and habituate it to the company of other dogs.

3. Jack Russell Terrier

Jack russell terrier

The world's third most aggressive breed is not a Pitbull or Doberman Pinscher. It is another «toy» dog - Jack Russell Terrier. Terriers of all sizes do not tolerate rough handling and will fight. It is therefore necessary to ensure that children do not hurt the dog.

Jack Russell Terriers often have aggression issues with other dogs. To make this breed calmer, you need to practice a lot with your dog train it and letting it run a lot.

4. Pekinese


Pekinese can't threaten people because of the small size, but this breed can be very jealous and aggressive. Mostly it is aimed on other dogs or strangers coming to visit.

Reforming the Pekinese is difficult. It is stubborn, and usually chooses for only one person as a master, to whom it attaches and makes friends with. With the rest the Pekinese is very wary and aggressive. The breed also does not tolerate small children.

5. Shar Pei

Shar Pei

The Shar Pei is a Chinese dog listed in the «Guinness Book of World Records» as one of the rarest breeds in the world. Dogs of this breed have very independent and dominating nature, love to be a head of the family, so from the childhood they should be taught who the boss is.

The Chinese Shar Pei successfully took part in the fights, so in it is in the breeds’ genes to show aggression towards other dogs. In the families these dogs behave pretty well, but they are not always patient with children. The early socialization of the dog can help to minimize its aggression.



6. Chow Chow

Chow chow

Some will be surprised seeing the Chow Chow in this ranking, but, nevertheless, this breed is one of the most aggressive dogs in the world. At first glance, Chow Chows are very attractive and cute fluffies, also the representatives of China. Before you buy this dog, you must remember that an adult Chow Chow cannot safely play with unfamiliar dogs and be left alone with children, because they are very irritable and defend their right to their food with a spiteful grin.

Also Chow Chow are good guards, as they are very devoted to their owner, would not allow a stranger to approach to the master, and won’t not let anyone into their territory.

7. Shiba Inu

Shiba Inu

A Shiba Inu is a very ancient Japanese breed used for hunting in mountainous terrain. The dog is very loyal, but at the same time it shows that it can live on its own, without its master. Early socialization helps this breed to get used to people.

The Shiba Inu gets on badly with other dogs, towards which it behaves very aggressively. In case of danger and aggression the Shiba makes a strange sound similar to a cry and a howl. This dog needs constant attention and different physical exercises.

8. Papillon


The stylish and decorative Papillon bites heavily. The aggression is often aimed on children, who irritate this dog quickly, and can be bitten by it.

The Papillons are very acquisitive dogs, and out of jealousy can attack the stranger. So even though this dog is small, it is very aggressive. Early socialization of puppies will help to avoid deviations in behavior, and prevent the aggression.

9. American Cocker Spaniel

American cocker spaniel

Originally Cocker Spaniels were bred as hunting dogs, specializing in small game on a rough terrain. Now this is one of the most popular domestic breeds.

Good defenders and not prone to aggression, Cocker Spaniels were included in this ranking due to genetic disease «rage syndrome». The disease is dangerous because the dog may suddenly lash out at its owners. If in a Cocker Spaniel develops this disease, the only way is to put your dog down.

10. Shih Tzu

Shi Tzu

The Shih Tzu is a dog from China. Its name is translated as a «lion dog» because it resembles the depiction of the Chinese lion. They are fearless, intelligent and energetic dogs, but like any predator, they need to restrain their temperament. Otherwise the Shih Tzu will take on itself the role of a wayward leader.

Aggression can be caused by careless treatment of this breed, the lack of communication or if it was offended by the previous owner. The dog can clutch at legs, bite and lash out at any object, including people and children. If you don’t want your Shih Tzu to show its aggressiveness you need to train and socialize it properly from the puppyhood.

Discuss this article on Forum

Read also our other articles:

Top most dangerous dogs in the world

Why dogs bite?

List of Banned Dogs by Countries



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A Total load of Bollocks....B
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i had shar pei;s for years, 3 of them, still got one, the other 2 died, one from old age and the other from kidney problems.  They're one of the nicest breeds of dogs you could ever wish to own.  They;re far from dangerous and were never actually bred to be fighting dogs.  These idiots need to actually read up on the breeds before branding them as dangerous.  what a load of crap
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Looks like small dog owners are just as aggressive as their pets!!
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Small dog, small brain. Long live the Labs,  :)
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I think that some people treat their small doggies like little babies not like a dog and dont understand their needs. That makes them more aggresvie than if they were treated properly like a responsible understanding dog owner just what I think xx
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Rage disease/syndrome in cocker spaniels - that went out with the Ark!  Use up to date  scientific references before writing articles. This twaddle would have been harshly penalised if any of my students had handed it in.
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Luke Pool
What a crock , who cares, these dogs don't kill people, Pits do, and on a regular basis.
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Stefani Craig
As a vet tech I can assure you this list is correct. I don't have enough fingers and toes to count how many times a combination of these dogs has tried to bite me. Seen a shar pei so aggressive we had to call it's owner to come back from work and muzzle it because we couldn't even touch it. I've been sent to the doctor for a chihuahua/daschund cross biting me just trying to take the leash off. How many times has a pit, shepherd, dobie...etc actually lunged and actively tried to bite me? Maybe once...hard to remember when it happens so rarely. There are exemptions to every single breed, yes. But the definition of aggression is the likelihood of attack without being provoked....all of these dogs definitely fit the bill.
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As a former Dachshund owner I agree. My lovely dog never hesitated trying to bite if she didn't like something or when someone crossed her borders
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Janice Jones
This article did not cite any reference, but if you only go by the research article cited by a guess above, you will note that the researcher only studied 30 breeds out of over 400 breeds worldwide.  I failed to see the Shih Tzu breed even mentioned in that "scholarly" article.
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