Teacup dogs are not recognized or endorsed by the American Kennel Club, so there are no standards for any teacup breed. But ...

Yorkshire terriers might be tiny, but they have lots of energy. They’ll need playtime and exercise to stay happy and healthy. Teacup Chihuahuas are the world’s tiniest dogs, but they have HUGE ...

Especially a really tiny doggo like a teacup Pomeranian, pug, or Chihuahua. But before you snap up one of these pocket-sized versions of man's best friend, you might want to think twice.