Fish species recognition is an important task to preserve ecosystems, feed humans, and
tourism. In particular, the Pantanal is a wetland region that harbors hundreds of species and …

Data obtained by direct observation of organisms in their natural habitats can provide
valuable contributions regarding intra-and inter-specific interactions, as well as spatial …

Lack of sufficient knowledge of biological diversity is the first barrier to promoting
scientifically‐based conservation policies in Neotropical regions, where high diversity and …

A taxonomic review of Triportheus from the Paraná-Paraguai basin was conducted, with four
valid species recognized: two natives, one introduced in the upper rio Paraná basin, and …

The early development of Markiana nigripinnis is described by morphological characters,
pigmentation, and morphometry. Larvae were obtained through semi-natural breeding …

The objective of this study was to provide a comprehensive list of the fish fauna of headwater
streams of the Miranda River in the Upper Paraguay River Basin. Our primary data set was …

This study investigated whether the body morphology of the tetra fish Astyanax lacustris
(previously Astyanax asuncionensis) varied between populations inhabiting one lagoon (a …

ABSTRACT A new species of Microglanis from upper rio Paraguay basin is described. The
species differs from congeners by the following combination of characters: deeply forked …

The diversity and distribution of traits in an ecological community determine how it functions.
Modern fish communities conserve trait space across similar habitats. However, little is …

A subfamília Stethaprioninae foi proposta por Eigenmann, 1907, e é distinguido dos demais
representantes de Characidae por apresentar porte pequeno, corpo alto e comprimido, com …