The Chihuahua was made even more popular thanks to a restaurant tv ad that featured a chihuahua. The Chihuahua is a small size dog that only weighs about 2 to 6 pounds. It's usually height is about 6 to 9 inches. The chihuahua is a alert and active dog. It doesn't really like other breeds of dogs usually.
Due to it's size the chihuahua makes a good choice for those who live in a smaller living environment such as apartments.