The tiny amphibians - catchily dubbed Microhyla nepenthicola - measure between 10.6-to-12.8mm long and were found in the Kubah National Park.
While specimens are already held by many museums around the world, they have previously been misidentified as juveniles of other species.
Now scientists say the frogs are a distinct micro-species and the smallest frogs found anywhere in found in Asia, Africa or Europe.
