As night fell across northern Brazil, fishermen peered into the “tea-colored” river water searching for an “armored ... triangular” with a “small” mouth and bumpy lips. Photos show the color variation ...

Photo from Willian Massaharu Ohara via Tencatt, Ohara, Carvalho, and Britto (2025) As night fell across northern Brazil, fishermen peered into the “tea-colored” river water searching for an ...