Biotope
Biotope 101: An authentic upper Rio Araçá biotope for Rummynose and Cardinal tetras
The Rio Araçá is an affluent of the Demini River, which is a tributary of the Rio Negro. The Araçá is a 390 km long blackwater river originating high up on the Serra Tapirapeco Mountain in the forests of the Guianas and flows through the Serra do Araçá, a state