The teacup dog is generally the smallest dog, that is, the smallest dog, and Chihuahua is the smallest of all canines.
The standard for a teacup dog is 8 inches or less and weighs less than 4 pounds. Among the teacup poodles, there is a smaller type called the mini teacup poodle, commonly known as the "pocket" poodle. The standard size is less than 7 inches and the weight is less than 3 pounds.
Chihuahua is one of the smallest dogs in the world, with a round head, large, thin and upright ears, and round and large eyes. Height: 15-23 cm, the smaller the size, the more popular; Weight 1 to 3 kg, preferably no more than 6 pounds. The body is rectangular in proportion, and the length from shoulder to hip is slightly larger than the shoulder height. The male should be a little shorter, and if he weighs more than 6 pounds, he will be disqualified.