Episode Details

The U.S. Fish and Wildlife Service just upgraded the razorback sucker from endangered to threatened — a move hailed as hopeful but fiercely contested. Once decimated by dams, invasive species, and altered river flows, this Grand Canyon native saw a rebound, prompting the agency to declare its population stable. But conservationists argue the fish still teeters on extinction, relying on human intervention like hatchery releases to survive — while non-native predators continue to decimate young fish. With three other native Grand Canyon fish already extinct, critics warn this decision ignores the real threats and could be a dangerous misstep for one of the last remaining native species in the canyon.

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