The best-known small dog is the Chihuahua, they weigh between 1 and 3 kilograms. They may be small, but never underestimate a Chihuahua, they can be very fierce, and are even very good guard dogs. The Chihuahua is a very healthy dog breed and can be 20 years old. You can read more about the Chihuahua here.
2. Épagneul nain continental
The Épagneul nain continental is better known as the Pappilion. It is a small, long-legged and long-haired dog with a shoulder height of about 28 centimeters. His weight varies between 1.5 to 5 kg.
The Toypoedel is the mini version of the Poodle. The height is between 23 and 30 centimeters and they weigh between 2.5 and 5 kilograms. The poodle is known as one of the smartest dog breeds, which actually means that they can be trained very well by people. read more about the breed here.