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 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 …

Species delimitation is a permanent issue in systematics. The increasing recognition of
geographically isolated populations as independent lineages allowed by new methods of …

In May 2016 we have published the second update to CLOFFAR and in these few months a
total of 22 changes have summed up. The total number of fishes known from the freshwaters …

A new species of Moenkhausia from the rio Culuene, rio Xingu basin, in Mato Grosso State
is described here through genetic and morphological data. This new species differs from all …

Pseudanos is a fish genus with cis-Andean distribution in South America. Pseudanos
trimaculatus is originally known from the Amazon and Orinoco basins. Three decades ago, a …

The banjo catfish, Xyliphius barbatus, belongs to the Aspredinidae family and typically
inhabits the main channels of medium to large rivers in the La Plata River basin. The …

The ribeirão Sucuri, a tributary of the rio Tietê, and part of the upper rio Paraná basin, is
located in the municipality of Pongaí, São Paulo state. The ichthyofauna of ribeirão Sucuri …

Los peces Characiformes de la Reserva Tapytá y sus alrededores, Caazapá, Paraguay,
fueron inventariados durante un año de muestreo mediante pesca eléctrica, redes, y …

Diapoma pampeana was recently described to occur in the upper Negro basin in Uruguay
and Brazil. An isolated population ten-tatively identified as D. pampeana from the Pando …