In a fast-flowing river just miles from a massive waterfall, a new species was discovered. Stabile, et al (2025) Journal of Fish Biology At the border of Brazil and Argentina, the land splits open ...

5. River of Blood - In Argentina's Parana River, Jeremy Wade hunts for a vicious predator known as the "River Tiger", thought to be responsible for a bloody attack on a young swimmer. More info ...

The decline of the waterway, which knits together a huge swathe of the continent, has hurt river communities, snarled grains transport in Argentina ... the impact on fish stocks and fresh water.

Argentina has launched a research cruise on Patagonian tooth fish (Dissostichus eleginoides ... fisheries of Argentina and Uruguay in the River Plate, decided to close the Illex Argentinus ...