Chihuahua
This breed is first on this list. Chihuahua is one of the most popular dog breeds. This dog is named after the state of Chihuahua in Mexico. Their size is 6 to 9 inches (15-23 cm) high and weighs 3 to 6 pounds (1.4-2.7 kg). Known as "little devils", this breed looks very cute and adorable when sleeping.
You should carefully consider choosing a Chihuahua. These dogs have many characteristics like - alert, beautiful, fast-moving small dogs with sharp and agile gestures. They can be stubborn and remain the smallest in the family. They are territorial by nature.