The Tocantins-Araguaia River basin is the largest basin located entirely in the Brazilian
territory. The high degree of endemism of its ichthyofauna has been revealed in several …

No presente trabalho nós conduzimos um inventário de peixes extensivo e de longa
duração, utilizando diferentes métodos de coletas, e cobrindo a vasta maioria da drenagem …

Hydroelectric expansion has affected the functioning of most tropical rivers in the world.
However, community reassembly in Neotropical impoundments remains poorly understood …

The Amazonian ichthyofauna is one of the most diverse in the world, yet fishes from the
adjacent coastal basins of Maranhão State in Northeastern Brazil remain poorly known. We …

The management of water resources is a complex issue, and the conservation of fish and
fishery resources is a growing challenge given the increase in the number of hydroelectric …

The fish fauna of the Tocantins River possesses many endemic species; however, it is little
studied in molecular terms and is quite threatened by the construction of several …

Uma nova espécie de Satanoperca é descrita do rio Araguaia, bacia do rio Tocantins,
Brasil, e registros não-nativos estão disponíveis para a bacia do alto rio Paraná. Pode ser …

A systematic revision of the rio Tocantins stingrays has confirmed the occurrence of a new
species of Potamotrygon first discovered more than two decades ago but which lacked …

Cichla piquiti is endemic to the Tocantins-Araguaia river basin, but information about its
biology is restricted to populations introduced in other basins. In order to fill this gap, we …

A passagem do nomadismo para o sedentarismo, com o consequente arranjo civilizatório e
a organização em sociedade, marca um momento importante na história. É quando a …