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‘Alien abductions’ of humpback chub help frame future of Colorado River

The U.S. Geological Survey’s Grand Canyon Research and Monitoring Center runs three scientific trips each year to keep track of humpback chub and other fish species. Here, Clay Nelson uses a floodlight to find stunned fish and retrieve them from a sampling site downstream from the Little Colorado River. (Photo by Judy Fahys/InsideClimate News)

The U.S. Geological Survey’s Grand Canyon Research and Monitoring Center runs three scientific trips each year to keep track of humpback chub and other fish species. Here, Clay Nelson uses a floodlight to find stunned fish and retrieve them from a sampling site downstream from the Little Colorado River. (Photo by Judy Fahys/InsideClimate News)

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