Chihuahuas are among the smallest dog breeds in the world, but don't let their diminutive forms fool you—they have some of the biggest, boldest and outsized personalities you'll ever find in any ... The Chihuahua, a Toy dog breed that usually has a big personality, is typically devoted to his family and can be very intelligent. Learn more about him here.

Understanding the Context

5 Reasons a Chihuahua Might Be the Right Dog Breed for You The diminutive dog belongs to the Toy group. Whether your Chihuahua has a deer head, apple head, fawn, or teacup, Royal Canin helps it thrive. Since Chihuahuas have tiny mouths and jaws, Royal Canin’s breed-specific formula accommodates this. Each piece is small and designed for the Chihuahua’s mouth, allowing them to easily pick up food.

Key Insights

Generally small and sassy with an oversize personality (and little understanding of just how tiny he is), the Chihuahua earns the top spot on this list. He's usually not too fond of strangers of any species invading his territory and will be noisily vigilant about letting everybody know it — making him a small but surprisingly effective watchdog. The Russian Toy is a small dog breed that's often mistaken for a Chihuahua. Learn all about Russian Toy breeders, adoption, health, grooming, training and more. Specific breeds of dogs can often have a higher risk of certain health conditions.

Final Thoughts

I’m well aware of this: Our little QT Pi Becker is a Chihuahua, a breed that can be prone to hydrocephalus, or water on the brain. QT Pi doesn’t have it, thank goodness, but it’s certainly something to be aware of if you have a breed at increased risk for the condition. Here’s what you should know about ... Q. I have a big dog who won’t fight, but I can’t believe how many times he’s been attacked by Chihuahuas. Why do so many little dogs want to pick fights with big dogs?

A. As a veterinarian, I can tell you I’ve patched up my share of little dogs who've taken on big dogs — and lost. Why do they do it? Small dogs are still dogs, after all, and they act like dogs, even if they’re ...