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The tiny Devils Hole pupfish has managed to adapt to very extreme conditions, and the critically endangered species is rebounding.Good news for one of nature’s rarest and unlikeliest species: The critically endangered Devils Hole pupfish has been making a resurgence after a very close brush with extinction last decade, with just 35 fish counted in 2013.
However, the species has faced a series of challenges. First, development in the 1960s threatened the fish’s habitat, which is connected to an underground aquifer that started being tapped in the desert for agricultural purposes. And even after protections were put in place to save the endangered fish, the population started declining in the mid-1990s before reaching its low point in 2013.
It’s in this unlikeliest of spots that the Devils Hole pupfish managed to take root, eventually evolving into a separate species from other local pupfishes, with a tolerance for extreme conditions and no pelvic fins. “A local landowner put a well in right on the boundary of National Park Service land, turned it on, and the water level went down right away and the pupfish population declined,” Wilson said.that read “kill the pupfish” or “save the pupfish” were popular.Cappaert v. United States
According to Schwemm, the fish is of great interest to researchers as they work to understand how the fish evolved to survive in high-temperature water with low levels of oxygen and food.
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Devils Hole pupfish are clawing their way back from the brink of extinctionLaura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic, paleontology, nanotechnology, and exploring how science influences daily life. Laura is a proud former resident of the New Jersey shore, a competitive swimmer, and a fierce defender of the Oxford comma.
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One of Earth's Rarest Fish Sees 'Remarkable' Return From Near-ExtinctionThe Devil's Hole pupfish is critically endangered, with only a few hundred existing within a tiny cave in Death Valley.
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