“…This result is similar to that reported by Fazzi-Gomes et al (2016) and Brito et al (2018), who report several difficulties in the fish farming value chain. Fish farming is an important activity in the Amazon region, for subsistence in addition to generating income for local families, so it is important to understand aspects of the value chain (AIZAWA et al, 2014;ZACARDI et al, 2017;SOUSA et al, 2019;TROMBETA et al, 2020).…”