Frog gives light

buenos aires - The existence of the South American tree frog was known, but it can glow in the dark beautiful blue-green, the biologists did not know. You have to look good, because the animal is only 3 centimeters long.

Scientists describe the University of Buenos Aires in their journal PNAS that the polka-dot tree frog appears to have a fluorescent skin. It is still a mystery why lifting the tree frog. It is the first amphibian whose lighting property has been established.

How the frog comes to his light, is already known. He absorbs light, which he in the dark 'issues' again. The researchers irradiated the polka-dot tree frog with UV light and yes, he really lit up. What he does, is still under investigation, reports the Süddeutsche Zeitung.