Small dogs are referred to as toy dogs and the puppies of very small breeds of toy dogs are called Tea Cup Puppies. They can be of various dog types including Spaniels, Pinschers and Terriers and are bred down in size.
The “Teacup” dog is not recognized by dog registries. They are popular today because of their small size and they sell very quickly. However, these dogs have many health issues, and you should buy the dog at a reputable breeder who breeds dogs by following the breed standard.
Some teacup puppies are prone to health issues like heart failure or dental problems and other complications and may have a short life span.
However they are very cute, aren’t they?