The Most Aggressive Dog Breeds

Dogs are the perfect pet for many reasons, but they don’t come without their fair share of problems. Some breeds make better pets than others and some breeds require more work on behalf of the owner, but there is a breed out there for everyone. Here is a list of the most aggressive dog breeds to help you find your perfect match.

Chow Chow

The Chow Chow is a very dominant breed that requires a lot of attention from its owner. These dogs can be aggressive if they’re not properly trained and socialized as pups, but it does have the potential to become a wonderful pet once those issues are addressed. Their loyal, protective nature makes them good guard dogs as well.

Doberman Pinschers

Dobermans need a lot of exercise and require an experienced owner who can handle their intensity. They make good watchdogs due to their territorial instincts, but should be supervised with small children or other animals at all times because they can be unprovokedly aggressive without warning signs beforehand.


This breed has a strong prey drive and requires an experienced owner who can handle them when they’re in the midst of chasing something in their sight. They are very loyal but have to be introduced properly before being left alone with children or other animals, due to their dominance.

Siberian Husky

Siberian Huskies need to be socialized right from the start because they are not naturally aggressive towards people; however, they do get agitated easily if overworked or bored, which could lead to aggressive behavior form them without warning signs beforehand.

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German Shepherd Dogs

GSDs make excellent guard dogs and require extensive socialization around new people and animals at all stages of life because it makes for a protective pet who will attack without warning. They require a strong and experienced owner because of their dominance and high energy.


Boxers need firm training and boundaries set in place at an early age so that they know how to properly interact with humans and other animals, as well as establish structured leadership from the start. Once those things are taken care of, Boxers can make loving pets.

Alaskan Malamutes

These beautiful animals need lots of exercise and stimulation in order to be happy and content, so owners should consider getting more than one if they plan on leaving them alone during the day while they’re at work. Otherwise these dogs can become bored and destructive without proper care.

Caucasian Shepherd Dogs

Lastly, the most aggressive dog is the Caucasian Shepherd Dog due to they way it was bred in order to protect herds of livestock from wolves. They are extremely protective of their owner and territory but can be trained to understand the difference between appropriate, protective aggression and unprovoked attacks on strangers or other animals if they are properly socialized at all stages of life with both new people and other pets.

Frequently Asked Questions

– Why are dogs considered to be aggressive?

Dogs are considered to be aggressive because they were bred for a certain function and past experiences can influence their behavior.

Large dogs were bred to make good guards and hunters – but the job of a hunter is often prey driven, which means they will pursue any animal, even human ones or smaller pets like cats and small dogs if they feel threatened. It’s important that puppies not be introduced too aggressively towards other animals at an early age in order to avoid confusing them about what constitutes prey. Smaller breeds were bred as companions – that is why many of them aren’t as protective or territorial as larger breeds – but there’s no guarantee and some can become fearful and attack with no warning signs beforehand if scared by something outside the norm (like a sudden and loud noise).

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– How can I identify an aggressive dog?

An aggressive dog will exhibit a number of signs as an early warning as to their potential ferocity. These can include growling, snapping, baring teeth or making a low guttural noise under the throat. They may also show more passive aggression by cowering and withdrawing from any contact with humans or pets around them.

– Does breed come into play when considering if a dog will act aggressively or not act aggressively at all, why do you think this is so?

Certainly. In addition to the genetic predisposition, your dog’s past experiences can provoke different behavior depending on how you have treated them personally in their life. Aggressive behaviors are sometimes the result of a lack of training from pet owners or feeling threatened by things they aren’t used to, like loud sounds or other animals.

– Why would smaller dogs act aggressively?

Smaller breeds often act aggressively if they feel threatened – which is why it’s important for dog parents to train them appropriately so that they understand what is appropriate and what isn’t before experiencing anything new or unusual. Once these small breeds learn that something makes them uncomfortable, then there’ll be no unprovoked aggression occurring again afterwards because they will understand their boundaries clearly.

– Is it possible for any breed of dogs to act aggressively?

Yes, all breeds of dogs can act aggressively if they feel like they are threatened. But for smaller breeds it can be caused by other factors too. If you want to train your dog to know the difference between appropriate and unappopriate aggression, follow these steps:

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1) With any small breed (papillion, chihuahua), always teach them that their comfort zone should consist of people first. Teach them how to turn towards human voices with things like treats or toys instead of turning away from it naturally since this reaction could lead into an aggressive reaction.

2) Try not to spoil your dog with affection at all times so you don’t create a situation where inappropriate contact is easily available for little reward (you). Reward your dog with treats or affection for desirable behavior instead of bad behavior.

3) Teach your little one to howl and speak as soon as he/she is born so that you will be able to tell when there’s something wrong with them by listening to their sounds.

4) Make sure you don’t bring the dog around other pets either. If they are used to being alone with their parents, then try introducing another pet slowly and calmly – if the reaction isn’t good, then separate them again immediately and never attempt it again until there’s a noticeable improvement in everyone’s reactions.