Atlantic Mata, the ambient Crimes and the fight for preservation of the Muriqui monkey. Eder Wolney of the Roza Gonalves Pupil of disciplines Fauna of the course of Specialization in Ambient Education of the UFSM. SUMMARY This study had as objective the collection of data on Atlantic Mata, its state when of the settling, the aggressions suffered throughout the time, its wealth and its culture to point out, inside of this context, the fight for the survival of one of the biggest symbols of this bush, the monkey muriqui, the superficial knowledge of the ambient legislation that deals with to the fauna and the flora, and some of the possible ways for the implantation of a sustainable development in this kills. The destruction had a devastador effect on the animals of Atlantic Mata. More than the half of the 633 threatened of extinguishing lives in the forest, case of muriqui, the biggest primate of Americas. Bigger symbol of Atlantic Mata, the monkey muriqui represents as few the impact of five centuries of uninterrupted devastao of the forest. They is esteem that at the time of the discovery, the population of this primate was of 400 a thousand units. Today two a thousand units exist approximately: true survivors of the almost extermnio one of its natural habitat. The monkey is endemic of Atlantic Mata, therefore muriqui is pointed by the specialists as one of the five Brazilian primates in bigger risk of extinguishing. National efforts, as much of governmental entities how much of particular, to save the primate who seemed convicted to the disappearance they come being determinative for its conservation. The sensitization of the State, of the ambientalistas, studious and living, how much to the question of the preservation of the way and it primate is possible, since she has a good will in adopting new ambiently more healthful habits, with the use of practical pedagogical of ambient education.