The creatures were discovered in November, however it took until today for scientists to correctly classify the snake's genus - confirming it is a rare creature which has only been spotted sporadically since first spotted in 1968.
It is actually more closely related to salamanders and frogs, but appearance-wise looks more like a snake.

Biologist Julian Tupan, who works for Santo Antonio Energy - the company which constructed the dam - said: 'Of the six we collected, one died, three were released back into the wild and another two were kept for studies.

'Despite looking like snakes, they aren’t reptiles and are more closely related to salamanders and frogs.