We provide a general compilation of the diversity and geographical distribution of
Amazonian fishes, updated to the end of 2018. Our database includes documented …

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 …

The history of knowledge about Amazonian biogeography is as rich as its fish community,
and a fascinating theme of study in itself. Several current paradigms and controversies about …

A checklist of recent and fossil fishes of the Order Characiformes is presented herein and
believed to be complete through 2022. A total of 47 collaborators checked and provided …

Hyphessobrycon myrmex sp. nov., is described from the Rio Formiga, upper Rio Juruena,
upper Rio Tapajós basin, Mato Grosso, Brazil. The new species can be distinguished from …

As the eyes of environmentalists and researchers focused on the Madeira, Xingu and
Tapajós rivers dams, one unknown project to bystanders will negatively affect an entire …

A checklist of all freshwater fish species demonstrated to occur in Paraguay is presented
with the aim of providing an updated list of all known fishes from Paraguay and to establish a …

Fish can gain significant adaptive advantages when living in a group and they exhibit a wide
variety of types of collective motion. The scientific literature recognizes 2 main patterns …

Among the order Characiformes, secondary sexual dimorphism is commonly associated to
the occurrence of bony hooks on fins, shape and length of the dorsal and anal fins, and …

A new miniature species of the freshwater fish genus Priocharax is described from the Rio
Jamari, Rio Madeira drainage, Amazon basin. Priocharax varii sp. n. is the fourth species …