30 Scariest Dogs In The World

Dogs are said to be man’s best friend because of their loving nature, gentleness, and incomparable loyalty. However, depending on several factors, some could still be extremely volatile. Large, muscular dogs can especially be intimidating and hard to control. In fact, even smaller dogs still surprise us at times with their capability and strength.

These are the top 30 dog breeds that might have the potential to hurt if one doesn’t learn how to help them.

30. Tosa Inu

This dog can grow from 130 all the way to 200 pounds. It can also grow to 32 inches in height. All in all, it is a bit intimidating in terms of its size. If provoked, it can easily overpower a person or another dog. This dog was once bred for fighting and since then people have considered it to be dangerous. It is even restricted to own this breed in some countries.

29. American Bandogge

The American Bandogge is a crossbreed of pit bull terrier and Neapolitan mastiff. It is a large, muscular dog, with incredible strength that makes it very dangerous. Unfortunately, some people used to breed this dog for fighting, meaning that trespassers or even innocent passersby might be at risk. This breed is not recommended for anyone with children, as their temperament includes loud barking.

28. Cane Corso

This breed of dog is considered to be one of the last of the coursing Mastiffs and is a descendant of the Canis Pugnax. It is very muscular and weighs between 99 and 150 pounds. Cane Corso’s dangerous reputation came from the time it was used in wars. Specifically, the dog was kept around to protect the soldiers and save them from enemy attacks.

27. Bull Terrier

Bull Terriers have huge heads and have been known to have plenty of lean muscle tissues. They are prey driven, so they are prone to attack animals that are smaller than them. This gives them a bad reputation for being a potentially dangerous breed.

26. Rhodesian Ridgeback

This dog was believed to have originated from South Africa and has been known to keep lions away from people. That said, this breed is not the one to mess up with! They are only semi-domesticated. Rhodesian Ridgebacks are not fond of strangers, so they need a lot of positive reinforcement as they can be oversensitive to certain situations.

25. Dogo Argentino

Dogs of this breed are white and muscular that they can be intimidating at first glance. They were bred for large game hunting and can attack huge animals, such as wild boars and pumas. Dogo Argentinos are athletic and strong, but are known to be non-aggressive towards humans. However, according to the Dangerous Dogs Act of 1991, it is illegal to own this breed in the United Kingdom.

24. Boerboel

Boerboel, also known as the South African Mastiff, is one of the larger breeds of mastiffs bred for home protection. However, their size, strength, and temperament can pose a serious problem. In North Carolina, a 59-year-old woman was killed by her Boerboel. When the police responded to a 911 call they received about the incident, they were met by the dog at the door who wouldn’t let them enter the home.

23. Gull Dong

Also known as the Pakistani Bull Dog, Gull Dong is a mixture of the Gull Terrier and the Bully Kutta. This dog is very strong and powerful, historically bred for the purposes of fighting. Despite being an affectionate breed, it can also be aggressive especially towards strangers. A Gull Dong is unlikely to warm up to your guests right away, so it is wise to train them to socialize early.

22. Basenji

Basenji is originally from Central Africa (Congo) and is considered to be a sighthound. Dogs of this breed are very alert, curious by nature, and can even be affectionate. However, they are considered to be the second least trainable of all dog breeds because of strong minds and a naturally strong-willed demeanor. They adapt to situations quickly, although a bad experience can completely unwind years of training of a well-behaved Basenji. Their intelligence, along with their strong jaws, makes them a dangerous breed to own.

21. Saint Bernard

This very large breed of dog originally came from the Swiss and Italian Alps and was also once a rescue dog. Just like any other large dogs, they need to be trained to be social around others and strangers. Moreover, this type of dog may have some territorial behavioral tendencies.

20. American Bulldog

These dogs are muscularly built, making them very massive. They are known to be very confident and stubborn at times. American Bulldogs were once used for farm work since they are fast enough to catch and hold down cattle. If a stranger looks onto the property of their owner, they can become rather aggressive.

19. Great Dane

Great Dane is one of the biggest dog breeds and can grow up to 44 inches tall. Originally hailing from Germany, they are known to hunt down wild boars. Due to their massive build, Great Danes require a large living area. It is recommended that they socialize as early as a young pup, so that they grow friendly later on.

18. English Mastiff

The English Mastiff is the proper name for the Mastiff. These dogs range from 120-170 pounds and can grow up to three feet in height. They typically do not bark a lot, unless they are alarmed by something they see. Furthermore, English Mastiffs are rarely aggressive and are shy instead. It might take a while for them to warm up to new people, which may be why some people think they aren’t the friendliest dog breed around. Hint: they’re very friendly, for the most part.

17. Bullmastiff

Bullmastiffs are large, domestic dogs. They are known for their strong, muscular build and their black faces and ears. Though their faces are not the typical, innocent-looking puppy face, they are a fairly friendly breed. But, don’t be fooled by their strength; they can grow up to 130 pounds.

16. German Shepherd

German Shepherds are beautiful dogs, but some people may be scared of their size. These dogs originally came from Germany, though they are very popular house dogs around the world, including America.

In some cases, this breed might become aggressive in their bark, particularly if someone agitates them. or if they feel threatened. For the most part, though, German Shepherds make friendly companions.

15. Fila Brasileiro

Also known as the Brazilian Mastiff, Fila Brasileiro is one of the largest dogs originating from Brazil. They were raised on large plantations and taught to chase down cattle and jaguars. Their great tracking abilities make them aggressive, which is still evident until today. You may notice that while they play, they like to latch their jaw onto the neck of their opponent.

14. Perro De Presa Canario

This dog breed’s name translates as “Canarian catch dog,” and has its roots in Spain. The Perro De Presa Canario was originally bred for working with livestock. Just like others on this list, they need to be socialized early in their life and trained intensively to be obedient. As this dog can be aggressive, one should be cautious of bringing new faces around them.

13. Akita Inu

Akita Inu is a large dog breed native to the mountains of Japan. It comes in two different types –  the Japanese Akita and the American Akita. Dogs of this breed are dominant, so it is important for the owner to show leadership so that they will follow instructions. While they can be affectionate with their owners, they do not get along well with strangers. These dogs are also territorial; that’s why they make excellent guard dogs.

12. Boxer

Boxers are not usually aggressive by nature, but there have been several incidents of their attacks. From 1982 to 2012, this breed was recorded to have been involved in 48 different incidents. Originating from Germany, these dogs range in weight between 50 and 70 pounds. Dogs of this breed have a headstrong personality.

11. Wolf Hybrid

Also known as a wolf dog, the breed is a cross between a dog and a wolf. In most cases, a dog and a grey wolf have mated. The behavioral patterns of a wolf hybrid are hard to predict. This type of dog can be friendly one minute and then aggressive shortly after. The natural predatory instincts of the wolf are also present in this dog breed, making this breed potentially dangerous.

10. Poodle

An extremely popular domesticated animal, the poodle’s physical features include unique haircuts and cuddly faces. This type of dog is highly intelligent, resulting in playful and high energy. However, when that turns into anxiety, fear biting can be a consequence. Fortunately, anxious poodle behavior can be tempered by training and adequate exercise.

9. Chow Chow

Chow Chows come off as distant from their owners because they are very independent. That said, dogs of this breed do not like strangers and can be very protective of their owners. That means they need a lot of training, or they will become aggressive.

8. Cocker Spaniel

Cocker Spaniels are small, fluffy and don’t pass as your typical aggressive breed of dog. Make no mistake, though: they can develop “Rage Syndrome,” also known as SOA. This syndrome comes on suddenly and causes the dog to become very violent, attacking everyone around it.

7. Doberman Pinscher

This breed is originally from Germany and is known for its qualities of alertness and intelligence. As a result, they have been routinely used as guard dogs and police dogs. Doberman Pinschers are great guard dogs that will attack when they sense their owner or their home is in danger. The size of these dogs as well as their strength, make them quite dangerous. In fact, their bite force is said to amount as much as 600 pounds of pressure per square inch!

6. Husky

Huskies have a strong predatory instinct and will cause trouble if they get bored. Consequently, they can be dangerous to animals that are smaller than they are.

5. Alaskan Malamute

The Alaskan Malamute breed is related to the Siberian Husky. Both breeds have to get proper amounts of exercise; otherwise, they become bored and easily get into trouble. This type of dog breed can grow from 70 to 100 pounds, with variation between males and females.

They are very independent and playful, which makes them hard to train. They do not like smaller animals and they are not good watch dogs either, due to their need to be entertained.

4. Rottweiler

Also known in German as Rottweiler Metzgerhund, dogs of this breed have a natural instinct to protect their owners. If they do not receive proper training or haven’t been exposed to socialization from the time they are born, Rottweilers can be very dangerous. These dogs have genetic herding and guarding instincts, which make them a wonderful dog to own for certain purpses. However, should one be an intruder or unwelcome party, the risks are high.

3. German Shepherd

German Shepherds weigh typically between 70 and 100 pounds. They are intelligent, confident, and have little fear, which is why they make great police dogs. However, these dogs have the potential to become overprotective and territorial. If they are not trained well, German Shepherds may attack and can easily become a safety hazard.

2. Pitbull

Pitbulls come from the same family as the American bull terrier. Both were bred for baiting bulls and bears. These dogs are muscular and very strong, and thus, used for dogfighting in many parts of the world. 

Pitbulls are considered very dangerous. Some communities even ban owning and housing a pit. While these dogs have been historically feared, owners claim that they can be gentle and loving too.

1. Caucasian Ovcharka

These dogs were once bred to protect livestock on farms. Dogs of this breed are assertive, aggressive, and strong-willed. If they are not trained properly, they can become ferocious. That is why if they do not like someone, they readily make it clear, which makes them extremely dangerous.

The Laziest Dogs Know to Mankind

Being a fur-parent to a dog requires a lot of hard work and patience which is why it is highly recommended that you evaluate your personality before picking a breed to get. There are some that live active lives which makes them compatible to dogs with energy to spare.

If you’re more of the latter, we’ve gathered dog low-energy dog breeds and compiled them in this list. That way, you will know which ones to get.

Cardigan Welsh Corgi

Just to be clear, you have two types of Corgis: Pembroke Welsh and Cardigan Welsh ones. The tell-tale signs to distinguish one from the other are the ears and tail. Cardigan Welsh Corgis tend to have more rounded ears and has shorter tails.

If you are after the Corgi with lower energy levels, go with the Cardigan Welsh because they like playing fetch and run with the kids or other pets. However, do watch their food intake because they can become overweight easily.

Anatolian Shepherd

The Anatolian Shepherd may look like he’s always up for a hike, but that’s not the case most of the time. This breed is known to be independent and doesn’t really like being affectionate. The upside is they’re pretty loyal and will definitely make you feel safe.

Tibetan Mastiff

These gentle giants weigh up to 150 pounds. Although they may seem intimidating guard dogs, they are pretty mellow and affectionate to the people they know. If you’re worried about spending a lot of time playing with them, these pups prefer roaming in the yard, especially if the weather is cool.

The Tibetan Mastiff is independent and is known for doing well in [training] class but forgetting what they have learned once they step into the house.


They say that living in a house with a Pekingese is basically living with Chinese Royalty. Animal Planet says that sharing a home with these fluffy kings, “it’s this dog’s house, you’re just living in it.”

The Pekingese is incredibly independent, have little energy and would prefer sitting in your lap than running around.

Bernese Mountain Dog

Berners are one of the most beautiful dog breeds and this fact is also amplified by how calm and gentle they are! The ideal situation is getting cozy with their family indoors. If you need a hiking buddy, bring your Berner. They’d love it more if it was cold.

As far as grooming goes, a good brushing session every week will do!


Now, we have the Whippets. Yes, they are whip-smart and can go as fast as 30 miles per hour BUT they do not have much energy. These friendly and affectionate pups will, for sure, take hanging out with you at home instead of jogging around.

To make things better, they don’t need much grooming, hardly bark, and don’t require much to keep them healthy!

Irish Wolfhound

Who needs a partner when you can get the affection and undivided attention from an Irish Wolfhound? This breed can accompany you while you walk by the beach or the park.

Irish Wolfhounds don’t need much exercise, but putting on pounds can hurt their joints.

Shih Tzu

Did you know that Shih Tzus share more DNA with wolves compared to most dog breeds? They may not look tough but they can be!

Shih Tzus are gentle and friendly dogs which make them the perfect choice for those who have kids. They were made for companionship and their ideal workout is jog around the house.

Cavalier King Charles Spaniel

The Cavalier King Charles Spaniel is a regal breed, very much like the English Bulldog, and make very versatile pets. They get along well with both active owners and homebodies. They don’t even have complaints on being couch potatoes.

A bit of precaution though because they are drawn to interesting smells due to their strong hunting instincts.

English Bulldog

The English Bulldog is the ultimate indoor, family dog! They need no exercise, minimal playtime, and loves pretty much everything! However, they have a higher chance of encountering health issues and can get pretty stubborn which make training difficult.

Bergamasco Sheepdog

Before you even assume, the Bergamasco Sheepdog does not need much grooming. These big and fluffy pups are patient and will go out of their way to make its owner happy. They also don’t need much exercise and are known to be extremely affectionate.

They also need to be bathed twice a year.

Scottish Deerhound

Looking for a dog that stands out? The Scottish Deerhound is perfect for you. This pup may need a sprint or two in the backyard but all in all, they are low-energy dogs.


A Maltese is perfect for owners who are looking for a life-long friend. These pups can live for nearly 20 years and are known to be highly intelligent. Their size is perfect for people who live in apartments.

However, they are very vocal meaning they bark more than the average and need grooming at times.

Dogue de Bordeaux

Out of all the French dogs, the Dogue de Bordeaux is the most ancient one. They are popularly known as the French Mastiff. These pups are brave and affectionate!

They can be quite stubborn so asserting dominance over them may help in training them.

Neapolitan Mastiff

Need a fluffy giant to cuddle with? The 150-pound Neapolitan Mastiff might be the perfect breed that you should look into.

They have low energy and require hardly any exercise. Their favorite thing in the world, above treats and toys, is the people they love.

Great Dane

Presenting the “Apollo of Dogs”! This lovable and laidback pup is as sweet as a spoon of sugar. Great Danes are pretty easygoing and living with one is a breeze.

These pups look intimidating especially because when they sit, they are taller than most people.

Basset Hound

Looking at the Basset Hounds, you already know that they are sweet and laidback. They are also easy to train and are extremely patient with kids – or anyone who tries to bug them.


The Newfoundland is a big and cuddly dogs that can grow to be 150 pounds. They are patient and sweet that they are often referred to as a “nanny dog.”

The only downside of these gentle giants is how much they drool.

Brussels Griffon

Just like the city they were named after, having a Brusself Griffon will not be a problem for owners living in an urban apartment. These tiny pups are pretty clingy and want to be around you ALL. THE. TIME.

According to research, they need half an hour of exercise a day which may or may not be spent inside the house.

Afghan Hound

Ah, the famous “shampoo commercial dog.” The Afghan Hound is a show-stopper so when you bring to the park, you will surely attract attention.

Out of all the breeds on this list, they are the ones that need more exercise but are still considered as low-energy dogs. They are also independent and aloof in most cases. Grooming may also be needed from time to time to keep their coat silky and smooth.


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