Fish has great socioeconomic, cultural, and nutritional importance for Amazonian
populations. Despite all health benefits, fish can accumulate great amounts of mercury (Hg) …

Fondo Nacional de Desarrollo Científico, Tecnológico y de Innovación Tecnológica
(FONDECYT) Proyecto: Aplicación de marcadores moleculares (Barcoding y …

This study aimed to investigate the environmental impacts generated by the hydroelectric
complex in the Madeira River, Brazilian Amazon, based on the perceptions of local fishers …

Major hydroelectric dams are proliferating in tropical regions such as Amazonia, where
extensive new hydropower developments are planned despite potentially severe ecological …

This study presents an extensive review of published and unpublished occurrence records
of fish species in the Rio Negro drainage system within the Brazilian territory. The data was …

Abstract The Amazon River Basin encompasses the world's largest remaining tropical
rainforest, and the largest freshwater system with the highest fish species diversity on earth …

Parasite infracommunities were studied in 202 specimens of Astronotus ocellatus collected
from a freshwater lake in the State of Amapá, northern Brazil. Relationships between some …

Lunar cycle modulates the rhythmic activity patterns of many animals, including fish. The
effect of the moonlight cycle on daily melatonin and metabolic parameters was evaluated in …

The present study investigated the effects of seasonal variation in parasites
infracommunities of Hoplerythrinus unitaeniatus and Hoplias malabaricus from a tributary of …

The initial ontogeny of black prochilodus (Prochilodus nigricans Spix & Agassiz 1829) was
described through morphological, meristic and morphometric characters. The biological …