We studied the reproductive biology of Astyanax lacustris in the southern Pantanal, Brazil. A
total of 382 fish were analyzed from February 2009 to January 2011. The sex ratio differed …

In this study an environmental assessment of contamination by total mercury (THg) was
carried out at the Plateau of the Upper Paraguai River. Total mercury was evaluated in …

In this study, the structure and distribution of Pygocentrus nattereri populations in the São
Miguel River basin, Rondônia state, Brazil, were evaluated. From August 2020 to July 2021 …

With the aim to analyze intra-and interspecific variation in the life history characteristics and
recruitment pattern of six fish species, samples were conducted in two different hydrological …

Pygocentrus nattereri is a carnivorous fish widely distributed in the Brazilian wetland and
occupies different river strata. Based on the sexual maturity, the standard length (SL) has …

Red‐bellied piranhas (Pygocentrus nattereri) are widely caught with different intensities
throughout the region of Solimões‐Amazonas River by local fishermen. Thus, the …

The massive flood event in August 2018 in the state of Kerala, India, due to extreme climatic
events resulted in the release of many exotic fish species in to natural waters from …

La planicie de inundación del río Paraná en Argentina rivaliza dentro de las más grandes
del mundo. El régimen de inundación y las temperaturas son generalmente consideradas …

Trade has significantly influenced marine and freshwater biodiversity because of
overexploitation, habitat degradation, and invasive species introduction. Despite the …

RESUMO A introdução de peixes no sistema lacustre do médio Rio Doce teve início na
década de 1960. Atualmente, sete espécies não nativas estão presentes no sistema, em …