What is the smallest animal in the world?
The smallest animal in the world, which is also the smallest insect in the world (so far) is the Megaphragma caribea otherwise known as a fairyfly. It is a parasitic wasp that lives on the island of Guadalope and feeds off the eggs of other insects. Specimens have been found between 0.10 mm to 0.17 mm in length. The smallest vertebrate animal in the world is the Paedocypris fish found in the dark, swampy waters of Sumatra. It lives in an environment that is only slightly less acidic than the human stomach. This species also has the distinction of being the smallest fish in the world.
