Worst Dog Breeds: A Comprehensive Guide



Dogs are known to be man’s best friend, but not all breeds are created equal. Some dog breeds can be more difficult to train or have a tendency towards aggression, making them less popular among pet owners. This comprehensive guide will examine the worst dog breeds and what makes them challenging for owners. 

While every dog is unique and has personality traits, certain breeds have earned a reputation for being problematic due to size, temperament, or energy level. Whether you’re considering adopting a new furry friend or just curious about different breeds, this guide will provide valuable insights into the characteristics of the most challenging dogs. 

BreedAggressivenessStubbornnessHigh-EnergyTrainabilityHealth Issues
German ShepherdModerateModerateHighModerateHip dysplasia, elbow dysplasia, bloat
DalmatianLowHighHighLowDeafness, urinary stones
AkitaHighModerateModerateLowHip dysplasia, eye problems
PitbullHighModerateHighLowHip dysplasia, skin allergies
Siberian HuskyLowHighHighLowEye problems, hip dysplasia
Chow ChowHighHighLowLowEye problems, hip dysplasia
Skye TerrierLowHighLowModerateEar infections, skin allergies
Treeing Walker CoonhoundLowModerateHighModerateHip dysplasia, ear infections
Saint BernardLowLowLowLowHip dysplasia, bloat
BulldogLowHighLowLowBreathing problems, skin allergies

What is the Breed Characteristics 

Breed characteristics are a set of traits that define a particular dog breed. These traits can include physical attributes, temperament, and behavior patterns. Understanding breed characteristics is important because it helps potential owners choose a dog that fits their lifestyle and personality.

For example, some breeds require more exercise and attention than others. If you have a busy schedule or prefer a more laid-back lifestyle, you may consider a breed that doesn’t require as much exercise or attention. Similarly, some breeds are known for being aggressive or territorial, which may not be suitable for households with children or other pets.

It’s also important to note that while breed characteristics can provide insight into a dog’s personality and needs, they don’t necessarily dictate individual behavior. Each dog is unique and will have personality quirks and preferences regardless of breed. Ultimately, it’s up to the owner to provide proper training and socialization to ensure their pet is well-behaved and happy.

Top Worst Dog Breeds

German Shepherd

Worst Dog Breeds

German Shepherds are often regarded as one of the most loyal and intelligent dog breeds. However, they can also be listed among the top worst dog breeds. One of the primary reasons for this is their instinct to protect their family fiercely, which can sometimes lead to aggression towards strangers. Additionally, German Shepherds require a lot of exercises and mental stimulation, making them unsuitable for people who cannot provide them with enough activity.

Another concern with German Shepherds is that they are prone to specific health issues such as hip dysplasia and degenerative myelopathy. These conditions can cause severe pain and mobility issues in dogs, leading to high vet bills and different care requirements. Finally, given their size and strength, untrained or poorly trained German Shepherds can pose a danger to people around them if they become aggressive or uncontrollable.

While many people love owning a German Shepherd due to their protective nature and intelligence, it’s critical to consider all aspects before choosing this breed.


Dalmatians are often considered cute and lovable dogs, but they have a reputation for being one of the worst dog breeds. One reason is their high energy level, which can be challenging to manage for some owners. They also require rigorous exercise, which can be difficult in homes without large yards or park access.

Another issue with Dalmatians is their stubbornness. They are independent thinkers who may not always listen to commands from their owners. This can make training them challenging and lead to disobedience and destructive behavior.

Finally, Dalmatians are predisposed to specific health problems such as deafness and skin allergies. These health issues can be expensive to treat and require ongoing care.

While Dalmatians may look adorable in movies like “101 Dalmatians,” they are not always the best choice for pet owners due to their high energy level, stubbornness, and potential health problems.


Worst Dog Breeds

Akita is widely known for its aggressive behavior, which makes it one of the worst dog breeds to have as a pet. This breed was initially bred in Japan for hunting and fighting purposes, making them fiercely protective of their owners and territory. However, this trait also means they are prone to aggressive tendencies towards strangers or other pets.

Additionally, Akitas require extensive training and socialization from an early age to prevent any unwanted behaviors. They are independent thinkers who can become stubborn and difficult to control without proper training. Akitas may become bored and destructive within the home without adequate exercise and mental stimulation.

While Akitas can make loyal companions for experienced owners who can handle their strong-willed personality, they are not recommended for first-time dog owners or households with children or other pets. Their potential aggression requires constant attention and management. Therefore, adopting an Akita should be carefully thought out after thorough research on the breed’s temperament and needs.


Pitbulls are often considered one of the worst dog breeds due to their reputation for aggression. While not all pitbulls are aggressive, they have been responsible for a significant number of attacks on both humans and other animals. This has led many cities and countries to enact breed-specific legislation that restricts or even bans the ownership of pitbulls.

Despite this negative reputation, many pitbull owners and advocates argue that these dogs are loving and loyal pets when raised in a responsible environment. They point out that irresponsible breeding, training, and ownership practices are often to blame for any aggressive behavior displayed by pitbulls.

However, it’s important to remember that owning any dog comes with responsibility. Owners must provide proper training, socialization, exercise, and care to ensure their pet is well-behaved and safe around others. And while some people may choose to own a pitbull despite its controversial status, others may opt for a different breed to avoid potential risks or legal issues. 

Siberian Husky

Worst Dog Breeds

Siberian Huskies are undoubtedly one of the most popular breeds in the world, but they can also be one of the worst. This breed can be a handful and require significant time and attention from their owners. They were bred to pull sleds great distances, so they have a lot of energy that must be burned off daily.

The Siberian Husky has an independent streak and can sometimes be extremely stubborn. They require consistent training and socialization from an early age if you want them to behave well around other animals or people. This breed may become destructive or aggressive towards strangers if not properly trained.

Lastly, Siberian Huskies shed heavily twice a year during shedding season. Owners must dedicate significant time to grooming their husky regularly; otherwise, their fur will accumulate all over your home’s carpets, furniture, and clothes. Siberian Huskies might not be suitable for novice pet owners or those who don’t have enough time or resources to devote themselves entirely to these beautiful dogs’ care.

Chow Chow

Chow Chows are often regarded as one of the worst dog breeds. They are known for their aggressive behavior, which various factors, such as lack of socialization and improper training, can trigger. These dogs can be unpredictable and tend to bite or attack strangers and other animals. They require an experienced owner who can handle their strong-willed personality. 

Moreover, Chow Chows are not suitable for families with young children due to their dominant nature. They also require a lot of grooming because of their thick fur coat, which shed heavily twice a year. This makes them high-maintenance pets that may not be suitable for everyone.

However, despite these challenges, some people still adopt dog Chows because they are loyal companions who bond closely with their owners. With proper care and training, Chow Chows can make great pets for those up to the challenge of owning this unique breed.

Skye Terrier

Worst Dog Breeds

The Skye Terrier is often described as an independent, stubborn, and aggressive breed unsuitable for inexperienced dog owners. This breed’s strong prey drive can sometimes lead to them attacking smaller animals like cats or rabbits. They are also known to be aloof with strangers and require consistent socialization from an early age.

Another issue with the Skye Terrier is their high-maintenance grooming needs. Their long hair requires regular brushing and trimming, which can be time-consuming and costly. Additionally, they are prone to several health issues, such as hip dysplasia, hypothyroidism, and allergies.

The Skye Terrier breeds may not be the best choice for a family pet due to their challenging temperament and grooming requirements. However, proper training, socialization, and care from experienced dog owners or professionals can make them great companions for those with the patience and resources to handle them appropriately. 

Treeing Walker Coonhound

The Treeing Walker Coonhound is one of the worst dog breeds you should avoid if you are looking for a pet. This breed is known for its high energy, which makes it challenging to train and control. They require a lot of exercises and mental stimulation daily, or they may become destructive and aggressive.

Another concerning trait of this breed is their tendency to chase small animals like squirrels or rabbits; therefore, it’s not advisable to let them off-leash in parks or areas with wildlife. Likewise, they have a strong prey drive that makes them unsuitable for households with cats or other small pets.

Lastly, the Treeing Walker Coonhound has a loud bark that can disturb neighbors. Their vocal nature stems from their history as hunting dogs trained to alert their owners when they had treed prey. 

The constant barking can cause problems in apartments or shared living spaces where noise levels need to be minimal. Overall, the Treeing Walker Coonhound is not recommended for most families as a pet dog due to their high energy levels, prey drive, and noisy nature. 

Saint Bernard 

Worst Dog Breeds

Saint Bernard is a giant dog breed that originated in Switzerland. Although they have a gentle and friendly nature, Saint Bernards can be pretty difficult to handle due to their size and high energy levels. They also tend to drool excessively, which can be unpleasant for some people.

One of the biggest issues with Saint Bernards is their tendency towards destructive behavior when left alone for long periods. They are extremely social dogs and thrive on human interaction. Leaving them alone for extended periods can lead to anxiety and destructive behavior like chewing furniture or digging holes in the yard.

Additionally, Saint Bernards have a reputation for being stubborn and difficult to train. Their large size makes them hard to handle during obedience training, especially if they are not properly socialized from an early age. 

While these dogs may make great companions for experienced dog owners with the space and patience to handle them, they may not be suitable for first-time pet owners or those living in smaller homes or apartments.


Bulldogs are often associated with a friendly and calm temperament, but they can also be one of the worst dog breeds due to their health issues. Bulldogs have a short snout, making it difficult for them to breathe and regulate their body temperature. They are also prone to hip dysplasia, skin allergies, and eye problems requiring expensive medical treatment.

Moreover, Bulldogs require regular grooming as they shed heavily, especially during seasonal changes. Their wrinkles need to be cleaned regularly to avoid infections and unpleasant odors. Also, Bulldogs can become aggressive towards other dogs or people if not socially recognized properly from an early age.

Bulldogs may seem attractive to those looking for a loyal companion, but potential owners should consider the challenges of owning this breed. Those who choose to adopt a Bulldog must be prepared for high veterinary bills and the extra work required to maintain their health needs and temperaments.


In conclusion, it is important to note that while some dogs may have negative stereotypes, it is ultimately the owner’s responsibility to properly train and socialize their pet. The breeds listed as “worst” are not inherently bad dogs but may require more attention and effort from their owners regarding training and socialization.

Additionally, it is crucial for potential dog owners to thoroughly research a breed before bringing one into their home. Understanding a breed’s temperament, exercise needs, and potential health issues can help prevent misunderstandings or complications.


What are the consequences of owning a certain breed of dog? 

Owning a certain breed of dog can have consequences beyond the responsibilities of pet ownership. Some breeds have a reputation for being more aggressive or difficult to train than others, which can lead to potential risks for both the owner and those around them.

What are the Top Worst Dog Breeds?

The worst dog breeds include German Shepherd, Dalmatian, Akita, Pitbull, Siberian Husky, Chow Chow, Skye Terrier, Treeing Walker Coonhound, Saint Bernard, and Bulldog.

What are some warning signs that a dog may be in danger?

First and foremost, if a dog is exhibiting any sudden changes in behavior or appears lethargic, as pet owners, it’s our responsibility to keep an eye out for these warning signs and act quickly when necessary.

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