The thorny devil ("Moloch horridus"), also known commonly as the mountain devil, thorny lizard, thorny dragon, and moloch, is a species of lizard in the family Agamidae. The species is endemic to Australia. It is the sole species in the genus "Moloch". The thorny devil grows up to 21 cm (8.3 in) in total length (including tail), and can live for 15 to 20 years.

An intimidating array of spikes covers the entire upper side of the body of the thorny devil. These thorny scales also help to defend it from predators.

The thorny devil's scales are ridged, enabling the animal to collect water by simply touching it with any part of the body, usually the limbs; the capillary principle allows the water to be transported to the mouth through the skin.

More Info: en.wikipedia.org