Carlos Emanuel Sautchuk is a lecturer in the Department of Anthropology at the University of Brasilia, Brazil, where he coordinates the activities of the Laboratory of Anthropology of Science and Technology. He is also an associate member of the anthropology of life and representations of life team (LAS, Collège de France, Paris). Since 2004, he has been carrying out an ethnographic survey in the Amazon, exploring fishing practices, environmental conservation and the domestication of fish. He is interested in anthropological perspectives on techniques, know-how and the environment. He edited the book Técnica e transformação: perspectivas antropológicas (ABA Publicações, 2017) and published O arpão eo anzol: técnica e pessoa na Amazônia (Ed. Universidade de Brasília, 2020). He has supervised 7 PhD students and produced ethnographic films as well as written about the relationship between photographs and videos in ethnography.