Fish conservation in South America is a pressing issue. The biodiversity of fishes, just as
with all other groups of plants and animals, is far from fully known. Continuing habitat loss …

Abstract The Amazon River Basin contains the world's highest fish species diversity, with a
hydrologic cycle that creates a patchy distribution of floodplain lakes at low water and affords …

Species of the genus Pseudoplatystoma, the long-whiskered catfishes, are important in
commercial and recreational fisheries in South America, and some species have become …

Over the past few decades, South American Rivers, including the Paraná River system, have
been intensely impacted by dam constructions. To mitigate adverse impacts, fish passages …

River damming threatens freshwater biodiversity worldwide by isolating populations,
reducing both gene flow and genetic variation, and affecting the ability of a given population …

There are 104 hydroelectric facilities proposed to be installed in the watersheds that feed the
Pantanal, a vast floodplain wetland located mostly in Brazil. The Pantanal is host to 23 long …

The anadromous catfish, Genidens barbus, is a commercial and vulnerable species from
South America. The aims of the present study were to assess whether the nursery areas can …

Because dams block migratory routes of potamodromous fish to their spawning areas, and
energy generation changes natural flow seasonality, it is necessary to identify spawning …

Currently, biodiversity is threatened by several factors often associated with human
population growth and the extension of areas occupied by human activity. In particular …

B rachyplatystoma platynemum is a catfish species widely distributed in the Amazon basin.
Despite being considered of little commercial interest, the decline in other fish populations …