Sand-eating Micrixalus herrei tadpoles species found in Western Ghats

Researchers have discovered Sand-eating tadpole species named Micrixalus herrei in Western Ghats. The tadpole belongs to the so-called Indian Dancing Frog family, Micrixalidae.
They were discovered from the deep recesses of streambeds in the Western Ghats
Key facts

• They get their name Micrixalidae, from their habit of waving their legs as a sign of territorial and sexual display while sitting on boulders in streams.
• It lives in total darkness i.e. they are of fossorial [underground] nature and comes out after fully developing into a young frog.
• Their fossorial nature is considered as a rare occurrence in the amphibian world.
• These tadpole species have purple colour and possess muscular eel-like bodies. They have skin-covered eyes, which helps them to burrow through gravel beds.
• They lack teeth but have powerful suckering mouths and have serrated jaw sheaths in order to prevent large sand grains from entering the mouth while feeding and moving through sand.
• These tadpoles have ribs and whitish globular sacs also known as lime sacs for storing calcium carbonate.

Month: Current Affairs - March, 2016