For a small fish found only in the San Francisco Estuary, the Delta smelt has caused much controversy over the years, ranging from lawsuits to executive orders. What is the history of the Delta smelt?

LOS ANGELES — The deadly wildfires in California have taken a lot of Donald Trump’s attention in his first week as president, and although he traveled to Los Angeles to see the damage, his tone in ...

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More than three decades after being listed for protection, California’s delta smelt is “functionally extinct.” The Trump administration could hasten its demise. At just 3 inches long, the delta smelt ...

The Trump administration has ended federal funding for a captive breeding program for California’s endangered delta smelt, ...

Trump has previously criticized California's wildlife and water conservation efforts, and has said the water should be released to firefighters and farmers. The UC Davis Fish Conservation and Culture ...

Tension is growing between California farmers, like Shawn Coburn, who want more water and environmentalists who want to protect endangered species in the San Joaquin-Sacramento River Delta. One of ...

I’m just a little fish, not three inches long. But my story speaks volumes. Which is why America’s biggest fish is gunning for me. Donald Trump has taken more shots at me than at Vladimir Putin. He ...

For biologists around the world, the invention of small, portable acoustic, radio and satellite tracking tags has revolutionized their understanding of where animals go and how they live. But ...