Great River Stingray

Formally described in 2016 from the Tocantins River Basin of Brazil, Potamotrygon rex is one of the largest strictly freshwater stingrays in the Americas. Fittingly named ‘rex’ (king) due to its monumental proportions and majestic golden-spotted dorsal...

Araguaian River Dolphin

The Araguaian River Dolphin (Inia araguaiaensis), known locally as the ‘boto do Araguaia,’ is an extraordinary freshwater cetacean discovered to be a distinct evolutionary species in 2014. Geographically isolated from its Amazonian cousin (Inia...
error: