Can the Ancient Humpback Chub Hang On in Today’s Grand Canyon?
It has survived invasive predators, too-cold water, poisoning, electro-shocks, and a ginormous dam. Still, the chub persists.
The Colorado River Is Dying. Can Its Aquatic Dinosaurs Be Saved?
The razorback sucker has survived in the river for more than 3 million years. Climate change could end that.