Top 10 Aggressive Small Dog Breeds
Small dog breeds are beloved for their charm, compact size, and often affectionate nature. However, like larger breeds, some smaller dogs possess a tendency toward aggression. Understanding these tendencies is crucial for responsible pet ownership. Here, we’ll explore the top 10 aggressive small dog breeds, both globally and within specific regions like India and America, to shed light on their behavior and offer guidance for a harmonious home environment.
Chihuahua:

Despite their diminutive size, Chihuahuas are known for their feisty temperament. They can be fiercely protective of their owners and territory, displaying aggression towards strangers. People usually don’t take them seriously and judge them by their size of 4 to 6 pounds. But the fact of the matter is that Chihuahuas are very loyal towards their owners, to the extent that they get very jealous if a stranger approaches their owner and are bound to bite them.
Dachshund:
Their loyalty can translate into aggression when they feel threatened. Dachshunds may exhibit territorial behavior or even act defensively if they feel uneasy. Some studies have found that dachshunds are more prone to violence against both other dogs and people than even the most feared big dogs like pit bulls and Rottweilers. The name Dachshund means “badger dog” and reflects what it was bred for in Germany, namely digging into badger burrows and killing badgers.
Jack Russell Terrier:
Their high energy combined with strong hunting instincts can lead to aggressive behavior if not properly trained and exercised. The Jack Russell Terrier is a high-energy dog with its breeding steeped in farm work. Consequently, Jack needs a lot of physical activity for his body and mental stimulation for his mind. This breed has a strong, stubborn streak and a well-earned reputation for lunging, snapping, and biting.
Pekingese:

Known for their regal appearance, Pekingese dogs can be quite possessive and show aggression towards unfamiliar people or animals. This dog breed does not take well to strangers or children. They have an impulsive, sensitive temperament that seems only fitting considering that they were bred in the Chinese Imperial court and for centuries were indulged and pampered like royalty themselves. The breed can be nippy when annoyed or pestered, so this is not an ideal dog for families with small children.
Schipperke:
The Schipperke is a small Belgian breed known for its lively and curious nature. These dogs are often described as enthusiastic, alert, and spirited companions. These small dogs possess a strong watchdog instinct and can be wary of strangers, potentially displaying aggression if they perceive a threat. Their natural inclination to be wary of strangers and their strong sense of loyalty to their family might lead to behavior that can be misconstrued as aggressive.
Papillon:
This super cute and lovely breed with butterfly-like looking ears is one of the oldest of the toy spaniels group. These doggies can become great family dogs, as they are affectionate and attached to their owner and other family members. They get along with children, but we would recommend that you supervise their interaction, as small breeds can get easily injured. These doggies are friendly and social and are not known as barkers or nervous dogs. They are adaptive and open to new people.
Cocker Spaniel:
While generally gentle, some Cocker Spaniels may exhibit aggression, especially when feeling anxious or insecure. Cocker Spaniels, known for their irresistible puppy dog eyes, can also exhibit aggressive behaviors. These canines are playful and friendly but bred to hunt small animals in complex terrains. They are also energetic but sometimes impulsive. They can violently lash out at anyone during an episode. Their aggressive behavior goes as easy as it comes—and they return to their usual selves a few moments later.
Shih Tzu:

Though known for their affectionate nature, Shih Tzus can develop aggression if not socialized early and given proper training. The curly, flowing hair is prone to mats and must be brushed and shampooed constantly. The breed also has stubby little legs a short, squashed muzzle, and a severe Napoleon complex. They are enthusiastically affectionate if socialized early, but the dogs do not respond well to threats. Loud children, strangers, and competing pets have all known the sting of Shi Tzu’s teeth.
Lhasa Apso:
These independent dogs can become territorial and may display aggression towards unfamiliar faces or other animals. Lhasa Apsos are companion dogs these days, but these guarding instincts are still present. Many Lhasa Apsos will become aggressive with strangers because they guard their homes or family. They are fearless with people and animals of all sizes. But, unfortunately, this guarding instinct is also combined with a stubbornness that makes Lhasa Apsos hard to train.
Yorkshire Terrier:

Yorkshire Terriers, or Yorkies, are small, spirited dogs known for their affectionate nature and lively personalities. While they are generally loving and devoted to their families, they can exhibit certain behaviors that might be perceived as aggressive under specific circumstances. Despite their small size, Yorkies can be bold and assertive, sometimes leading to confrontational behavior. Yorkies can be protective of their space and people, which might lead to barking or displaying aggression towards perceived intruders or strangers.
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Top 10 Aggressive Small Dog Breeds in India
Understanding that aggression in dogs can be influenced by various factors like genetics, training, and environment is crucial. Some small dog breeds happen to be more aggressive than others. This is mainly due to their ancestral history of being hunters and guardians. Proper training, socialization, and a nurturing environment play significant roles in mitigating aggressive tendencies in these breeds. Here are the top 10 aggressive small dog breeds that are commonly observed in India:
- Chihuahua
- Dachshund
- Shih Tzu
- Lhasa Apso
- Pekingese
- Miniature Pinscher
- Jack Russell Terrier
- Cocker Spaniel
- Pomeranian
- Beagle
Top 10 Aggressive Small Dog Breeds in the World
When discussing aggression in dog breeds, it’s important to note that while certain breeds might have inclinations towards aggression, individual temperament can vary widely. Factors like upbringing, training, and socialization play significant roles in a dog’s behavior. However, not all dogs are aggressive, regardless of their breed. Here’s a broader list including 10 small dog breeds that have occasionally shown tendencies toward aggression:
- Shih Tzu
- Lhasa Apso
- Yorkshire Terrier
- Schipperke
- Miniature Schnauzer
- Pomeranian
- Boston Terrier
- Cairn Terrier
- West Highland White Terrier
- Border Terrier
Top 10 Aggressive Small Dog Breeds in America
- Chihuahua
- Dachshund
- Jack Russell Terrier
- Pekingese
- Miniature Pinscher
- Cocker Spaniel
- French Bulldog
- Basenji
- Shiba Inu
- Beagle
Top 10 Aggressive Small Dog Breeds for Home
When considering small dog breeds for a home environment, it’s important to understand that aggression is not solely determined by breed but also by individual temperament, upbringing, and socialization. Here’s a list that highlights breeds that, due to certain tendencies, might need extra attention, training, and socialization when being brought into a home:
- Pekingese
- Miniature Pinscher
- Cocker Spaniel
- Shih Tzu
- Lhasa Apso
- Yorkshire Terrier
- Pomeranian
- Cairn Terrier
- West Highland White Terrier
- Border Terrier
Conclusion:
While aggression can manifest in any dog regardless of size or breed, understanding the tendencies of specific breeds is crucial. Responsible pet ownership involves proper training, socialization, and creating a nurturing environment to ensure a harmonious relationship between you and your furry companion.
These small breed dogs may be more prone to aggression than other small breeds, but that doesn’t have to mean that they will be aggressive. If you have or are planning to get any of the above small breed dogs, remember to give them lots of love, training, and socialization, and you should be sitting pretty.