The 6-foot-long fish travels 7,000 miles round trip to spawn. Amazon nations unite to save it | CNN
Editor’s note: Call to Earth is a CNN editorial series dedicated to reporting on the environmental challenges facing our planet and their solutions. Rolex’s Perpetual Planet Initiative has partnered with CNN to promote awareness and education on key sustainability issues and inspire positive action. When annual rains return to the Amazon, murky rivers swell and … Read more