The humpback chub has been swimming in the wild and turbulent waters of the Colorado River Basin for 3 million years. It has been endangered since 1967 following the building of dams along the Colorado River and its tributaries and the introduction of non-native predatory fish. We talk with Brian Healy, the Native Fish Ecology and Conservation Program manager at Grand Canyon National Park, and a PhD candidate in Ecology at Utah State University. In addition to studying the ecology of the humpback chub and other native fish in the Grand Canyon, Brian works to restore habitat and populations of these native fish...