In an effort to ensure energy independence and exploit mineral resources, the governments
of Amazonian countries are embarking on a major dam building drive on the basin's rivers …

The freshwater and marine fish faunas of South America are the most diverse on Earth, with
current species richness estimates standing above 9100 species. In addition, over the last …

Mining activities are responsible for the elevated input levels of suspended sediment and
hazardous metals into the riverine ecosystem. These have been shown to threaten the …

In response to temporal changes in the quality and availability of food resources, consumers
should adjust their foraging behavior in a manner that maximizes energy and nutrient intake …

Abstract The Amazon Basin is an unquestionable biodiversity hotspot, containing the
highest freshwater biodiversity on earth and facing off a recent increase in anthropogenic …

Studies on elevation diversity gradients have covered a large number of taxa and regions
throughout the world; however, studies of freshwater fish are scarce and restricted to …

The main objectives of this study are estimate a species-dense, time-calibrated molecular
phylogeny of Hypoptopomatinae, Neoplecostominae, and Otothyrinae, which together …

Abstract The Amazon Basin features a vast network of healthy, free‐flowing rivers, which
provides habitat for the most biodiverse freshwater fauna of any basin globally. However …

More than 33,500 fish species inhabit freshwater and marine environments, according to
FishBase database records. The International Union for the Conservation of Nature (IUCN) …

Abstract Piranhas and pacus (Characiformes: Serrasalmidae) are a charismatic but
understudied family of Neotropical fishes. Here, we analyse a DNA barcode dataset …