The aim was to approach an analysis of fish parasites in the Manoel Correia and Caio Espínola Rivers, which border the Aldeia Aperoi, and the report of the Puruborá People on the use of fish as animal protein. Twenty-one fish were collected in the dry season and 15 in the rainy season, totaling 36 specimens, which dissipated cestodes, acanthocephala and nematodes encysted in the musculature, preventing their consumption. Six residents of Aldeia Aperoi were interviewed. The circulation of parasites with zoonotic potential was identified in fish native to the Manoel Correia and Caio Espínola rivers, which border the Aldeia Aperoi, in the Western Amazon of Brazil. It was verified the helplessness of the Puruborá people regarding their inquiries about the environmental imbalance, which causes the loss of fish diversity and, consequently, damage to their culture and their costumes.