Neotropical freshwater fishes (NFFs) constitute the most diverse continental vertebrate fauna
on Earth, with more than 6,200 named species compressed into an aquatic footprint< 0.5 …

Highlights•River impoundment results in fairly predictable changes in fish functional
diversity.•The most vulnerable species have functional traits associated with flowing water …

ABSTRACT Biogeography of Amazonian fishes (2,500 species in vastly disjunct lineages) is
complex and has so far been approached only partially. Here, we tackle the problem on the …

Upstream range shifts of freshwater fishes have been documented in recent years due to
ongoing climate change. River fragmentation by dams, presenting physical barriers, can …

Despite growing interest in trait‐based approaches to community assembly, little attention
has been given to seasonal variation in trait distribution patterns. Mobile animals can rapidly …

A recent boom in hydroelectric development in the world's most diverse tropical river basins
is currently threatening aquatic biodiversity on an unprecedented scale. Among the most …

Freshwater ecosystems represent less than 0.01% of Earth's surface water but
proportionately encompass the most species‐rich environment on the planet, including …

Is there only one electric eel species? For two and a half centuries since its description by
Linnaeus, Electrophorus electricus has captivated humankind by its capacity to generate …

Pike cichlids form the largest clade of Neotropical cichlids, with over 100 species presently
classified in two genera: Crenicichla (93 species widespread in rivers of South America east …

The catfish genus Trichomycterus is a recognized taxonomic bottleneck in Neotropical
ichthyology. The hitherto poorly-known diversity of Trichomycterus in the Rio Doce Basin …