Brazil is the country in the world with the highest freshwater fish diversity. Because of the
high rates of species introduction, the number of publications about invasive fish has …

An annotated checklist for the freshwater fishes from Paraná State, Brazil is provided. A total
of 440 freshwater fish species are recorded for the state, distributed across five ecoregions …

The degradation of water resources available for human consumption is increasing with the
continuous release of chemicals into aquatic environments and their inefficient removal in …

The persistence of diverse communities and functioning ecosystems under increasing
anthropogenic pressure relies on food web rewiring and the ability of animals to expand or …

Coexistence of ecomorphologically similar species in diverse Neotropical ecosystems has
been a focus of long-term debate among ecologists and evolutionary biologists. Such …

The reduction of riparian vegetation around aquatic environments causes several
physicochemical alterations and favors the entry of pesticides via surface runoff. Such …

Body shape variation should play a central role in determining the feeding ability of a fish
species. We tested whether variations in feeding resource use of sympatric and closely …

Psalidodon bifasciatus is a fish species sensitive to physical and chemical changes in water.
It serves as a good bioindicator of temperature variations and is utilized in environmental …

Knowledge of the ichthyofauna of a hydrographic basin is the minimum necessary condition
for the implementation of any measures for the exploration, management or preservation of …

The rio das Cinzas and rio Itararé basins are important tributaries of the rio Paranapanema,
a major left-bank tributary of the upper rio Paraná basin. The upper reaches of both …