Marcelo Callegaris weaves the skiff in and out of the submerged trees lining the banks of Northeast Argentina’s Upper Paraná River, which is a mile wide in places and walled with dense green jungle ...

Fishing yields in the Upper Paraná River, on the border between the Brazilian states of São Paulo, Paraná, and Mato Grosso do Sul, have fallen by around 50% in two decades. According to a study ...

CHARIGUE, Argentina (Reuters) – Gustavo Alcides Diaz, an Argentine fisherman and hunter from a river island community, is at home on the water. The Parana River once lapped the banks near his wooden ...

In a photo taken with a fisheye lens, researchers collect fish in the Paraná River. Native species have decreased, while invasive ones have increased over the past 20 years Disclaimer: AAAS and ...