This walk allows him. to see to the naked mojarra, a very old minnow without flakes, included as vulnerable species in the Red Book of the International Union for Conservation of the Nature.

This fish was descripto for the first time in 1903 for the Austrian ictiólogo Fritz Steindachner based on copies sent by his Argentinean colleague Carlos Berg.

But newly in 1936 it is located their habitat exactly, at the moment, official organisms in collaboration with non government organizations carry out a handling plan of nascent and stream course Valcheta and tributary.

In the school and police posse of Chipauquil they will guide it to observe it to steps of there. Also information in Regional Museum of Valcheta.