Alfred Wallace's Echoes in the Amazon

This article deals with some aspects of Alfred Russel Wallace's historic journey to the Amazon between 1848 and 1852. In it are highlighted the impressions that this naturalist has pointed out about the region, cities, indigenous customs and especially about fish of the Black River. More objectively, the article discusses the reasons for the trip, the two trips to the Uaupes River, and the strategic visions Wallace presented about food production in that distant region. At the end is outlined a profile of the personality of this famous traveler and the lessons he left to posterity, especially to the young naturalists and scientists.