As night fell across northern Brazil, fishermen peered into the “tea-colored” river water searching for an “armored” creature with a “powerful toxin.” Eventually they spotted and ...

Scientists and fishermen in Brazil caught an “armored” river creature known to sting and discovered a new species, a study said. Photo from Willian Massaharu Ohara via Tencatt, Ohara ...

Scientists and fishermen in Brazil caught an “armored” river creature known to sting and discovered a new species, a study said. Photo from Willian Massaharu Ohara via Tencatt, Ohara, Carvalho, and ...