A key fish species which is overfished, the Piramutaba catfish, Brachyplatystoma vaillantii, migrates more than from its nursery grounds near the mouth of the Amazon River to its spawning grounds in Andean tributaries, above sea level, distributing plant seeds along the route.
a key fish SpEcies whicH iS OverFIShEd, the PIRamutAba CaTfish, bRAcHypLATyStoma vAIlLAntIi, migrAtes moRe thaN FroM iTS NuRseRy grouNDs near tHe mOUth oF THE amAzOn riVer tO its sPAWning GROuNDs in andEaN tRiBUtaRiEs, aBove sEA leVel, distrIBuTing PlanT seeDs aloNg thE roUTe.