As federal scientists faced turmoil, the Devils Hole pupfish reached a crisis point

"We're breathing a lot easier at 77 than 20. But the move to augment the population in the wild happened so quickly in part because of uncertainty about massive federal layoffs and a looming government shutdown that the lab didn't take genetic samples from the first batch of captive-raised pupfish released into Devils Hole."

"Cannot distinguish the introduced captive fish from wild fish. Nor can we track how these introduced captive fish will contribute to future wild generations. There's scientific questions we can't answer now, because there's just no genetic data on which fish were released."

"Martin says he believes this missed opportunity marked yet another scientific casualty of the political chaos at the time, and that the Devils Hole pupfish managers made the best decision that they could under the extreme pressure of 'I'm going to be fired at any second.'"

The Devils Hole pupfish, a critically endangered species in Death Valley National Park, faced a population crisis when numbers dropped to just 20 fish. Wildlife managers responded by releasing captive-bred pupfish into the natural habitat for the first time, adding 19 fish initially and approximately 50 more subsequently. By spring, the population had recovered to 77 fish. However, the rapid decision-making process, driven by concerns about federal layoffs and government shutdown, resulted in a significant oversight: genetic samples were not collected from the first batch of released fish. This omission prevents scientists from distinguishing captive-bred fish from wild populations and tracking their genetic contribution to future generations, representing a lost scientific opportunity.

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