The Hidden Power of a Chihuahua’s Bite Force

I Love Chihuahuas
5 min readAug 1, 2023
Chihuauha’s Bite Force Unmasked —
Chihuauha’s Bite Force Unmasked —

Quantifying a Chihuahua’s bite force can be surprisingly complex. It’s a popular belief that a Chihuauha’s bite force can go up to 3,900 PSI (pounds per square inch). However, this number appears to be more rumor than reality, with no concrete scientific evidence to back it up.

A more realistic estimation of a Chihuahua’s bite force, backed by many owners and experts, lies in the 100–180 PSI range. This figure originates from a study considering factors such as skull shape and size to approximate bite force. Given the Chihuahua’s petite head size, most agree that it cannot produce a bite force exceeding 200 PSI.

Busting the Chihuahua’s Bite Force Myth

Why do we believe the speculated 3,900 PSI Chihuahua’s bite force to be inflated? The answer lies in the physical features of a Chihuahua’s head. For reference, let’s compare it to other dog breeds:

  • The Kangal, known to have the strongest bite among dogs, clocks in at around 743 PSI.
  • The American Pit Bull Terrier, infamous for its bite, tests around 235 PSI.
  • Neither the Pit Bull nor the Chihuahua makes the top ten list of breeds with the strongest bites.
  • The top ten dogs, including the American Bandogge and the English Mastiff, have a bite force between 400–800 PSI, far less than the rumored bite force.

Some Surprising Bite Force Facts

In a broader context, here are some fun facts about bite forces in the animal kingdom:

  • The Mako Shark, famous for its biting prowess, exhibited a maximum bite force of 3,000 pounds — roughly half an elephant’s weight, in 2020.
  • The Saltwater crocodile astounds with a bite force of 3,700 pounds, approximately the weight of two Clydesdale horses.
  • The Grizzly Bear can exert around 1,200 pounds of pressure with its bite.
Chihuahua’s bite illustrated by a dark brown pup biting owner
Chihuahua’s bite illustrated by a dark brown pup biting owner

Are Chihuahuas Aggressive?

While Chihuahuas may not possess the extraordinary bite force internet folklore suggests, they can certainly leave a mark when provoked. They are quick, agile, and with their sharp teeth backed by around 100 pounds of pressure, can inflict damage.

However, Chihuahuas aren’t considered aggressive, because they’re safe and make wonderful pets and loyal companions. Most incidents of dangerous Chihuahua behavior involve stray, unneutered, or unspayed dogs, which tend to show more aggression.

How to Show a Chihuahua Dominance

Establishing a positive relationship with your Chihuahua is vital, and dominance-based techniques are not recommended. Instead, focus on consistent training using positive reinforcement, such as treats and praise, to encourage good behavior.

To stop your Chi’s aggression, set clear rules and boundaries, like keeping them off furniture and providing alternative comfy spaces. Be confident during interactions to create a sense of security and stability. Control access to valuable resources like food and toys, and avoid giving in to begging to reinforce good behavior.

Socialize your Chihuahua with different people and animals to promote positive behaviors. Avoid punishment-based techniques, as they can lead to fear and separation anxiety.

Be patient and understanding, as building trust and a strong bond takes time and compassion. By following these guidelines, you can create a harmonious and loving relationship with your Chihuahua without resorting to dominance-based methods.

How to Train a Chihuahua Not to Be Aggressive

Neutering or spaying your Chihuahua early can prevent hormone-driven aggression and provide health benefits such as extended lifespan and reduced cancer risk.

Remember to prioritize quality time with your Chihuahua. They thrive on attention and may resort to destructive or aggressive behavior when neglected.

Early socialization can also familiarize your Chihuahua with your lifestyle and acquaintances, helping prevent aggression towards strangers.

A Chihuahua’s bite force illustrated by a man correcting an aggressive Chihuahua
A Chihuahua’s bite force illustrated by a man correcting an aggressive Chihuahua

How to Stop Chihuahua From Biting Ankles

While Chihuahuas are small in size, they can pack a surprisingly sharp bite. Biting ankles is a behavior that some Chihuahuas may exhibit, and while it may seem harmless due to their tiny jaws, it can be quite uncomfortable and even painful for the person on the receiving end.

If your adorable Chihuahua has developed a habit of nipping at ankles, it’s essential to address this behavior promptly to prevent any potential issues and ensure a harmonious relationship with your pet. Here are some effective strategies to stop ankle-biting behavior in Chihuahuas:

  1. Proper Socialization: Early and positive socialization is crucial for any dog breed, including Chihuahuas. Expose your pup to various people, animals, and environments from a young age. Positive interactions with different stimuli can help reduce anxiety and fear, which can be underlying causes of ankle-biting behavior.
  2. Consistent Training: Chihuahuas, like all dogs, thrive on consistent training and clear boundaries. Use positive reinforcement techniques, such as treats and praise, to reward good behavior and discourage ankle-biting. Teach your Chihuahua basic commands like “sit,” “stay,” and “leave it” to redirect their attention away from undesirable behaviors.
  3. Redirect Their Energy: Chihuahuas have a lot of energy packed into their tiny bodies, and if they don’t have an outlet for it, they may resort to ankle-biting as a way to release pent-up energy. Engage your Chihuahua in regular playtime and exercise to tire them out and keep their minds stimulated.
  4. Provide Suitable Chew Toys: Chihuahuas, like many breeds, have a natural urge to chew. Offer them a variety of appropriate chew toys to satisfy this instinct and prevent them from seeking out ankles as an alternative chew toy.
  5. Use Deterrents: There are various products available, such as bitter-tasting sprays, that can be applied to ankles or other areas you want to discourage your Chihuahua from biting. The unpleasant taste will deter them from repeating the behavior.
  6. Seek Professional Help: If ankle-biting persists or escalates despite your efforts, it’s essential to seek guidance from a professional dog trainer or behaviorist. They can assess your Chihuahua’s behavior, identify any underlying issues, and develop a personalized training plan to address the problem effectively.
  7. Be Patient and Persistent: Changing a dog’s behavior takes time and consistency. Be patient with your Chihuahua and yourself throughout the training process. Stay persistent and stick to the training techniques that work best for your pet.

Unmasking the Chihuahua’s Bite Force

The Chihuahua’s bite force, while surprisingly powerful for a tiny dog, is not as high as some might believe. Despite rumors of a Chihuahua’s bite force being around 3,900 PSI, a more realistic figure hovers at around 100 PSI.

However, with positive reinforcement, consistent training, and compassionate care, you can create a happy and harmonious environment for yourself and your Chihuahua — without the need for the Chihuahua bite force to come into play.



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