The Correct Answer and Explanation is:
The correct answer to the question “Which dragon breed is the smallest?” is the Peruvian Vipertooth.
The Peruvian Vipertooth holds the distinction of being the smallest of all known dragon breeds, a fact documented by Newt Scamander in his famous textbook, Fantastic Beasts and Where to Find Them. Typically measuring only about fifteen feet, or 4.5 meters, in length, its diminutive size for a dragon is one of its most defining characteristics. This compact frame, however, does not make it any less formidable. In fact, the Vipertooth is also known as the fastest dragon in flight, possessing remarkable speed and agility that larger breeds cannot match.
Its appearance is quite striking. The dragon has smooth, copper colored scales with distinct black ridge markings running along its back. It has short horns on its head, but its most lethally famous feature is its set of fangs, which are extremely venomous. This potent venom, combined with its speed, makes it a highly effective and dangerous predator.
Native to the mountainous regions of eastern and northeastern Peru, the Vipertooth unfortunately developed a particular taste for humans. This dietary preference caused major problems for the wizarding world in the nineteenth century. The Vipertooth population grew so rapidly and became such a threat to the local human population that the International Confederation of Wizards was forced to intervene. They dispatched exterminators to cull the numbers, a drastic step that highlights the grave danger this small dragon posed. While other dragons like the Common Welsh Green are also relatively small, they are still larger than the Vipertooth, which rightfully holds the title of the world’s smallest dragon.
