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

The upper rio Paraná basin drains the most developed and environmentally degraded
region in South America: the Brazilian southeast. While it is one of the most well-known …

A new species of Pseudopaludicola is described from the Cerrado of southeastern Brazil.
Pseudopaludicola facureae sp. nov. is diagnosed from the P. pusilla species group by the …

Abstract The Uberaba River is an important right-bank tributary to the Grande River, in the
Upper Paraná River system, Brazil, and the main water source for the public supply of the …

The genus Hisonotus was resurrected as a member of the tribe Otothyrini (actually subfamily
Otothyrinae). However, phylogenetic studies based on morphological and molecular data …

Abstract Pseudotothyris Britski & Garavello, 1984 is a genus of small catfishes distributed
only in coastal basins in southern and south-eastern Brazil, between Rio de Janeiro and …

Microlepidogaster dimorpha, new species, is described from tributaries of rio Grande, upper
rio Paraná system. Microlepidogaster dimorpha differs from M. perforatus and M. longicolla …

The discovery of three new taxa of Hypoptotopomatini with ambiguous generic assignment
prompted a reanalysis of the phylogenetic relationships of the tribe. The analysis focused on …

Ituglanis goya, new species, is described from the Paranaíba and Tocantins river drainages,
central Brazil. This is the first species of the genus described for the Upper Paraná system …

MATERIALS AND METHODS Measurements were made point-to-point, to the nearest 0.1
mm with digital calipers. Methodology and terminology for measurements follow Boeseman …