Death Valley National Park officials shared encouraging news for one of the park’s most fragile inhabitants. A recent October 10 survey counted 137 Devils Hole pupfish, more than double the 77 fish recorded during the spring count and up from 69 in the previous fall.

How the count was taken

Trained scuba divers and surface counters monitored the tiny fish in the deep, water‑filled cavern known as Devils Hole and on the shallow limestone shelf where the pupfish feed and spawn. The species, which lives only in this isolated habitat, has an average lifespan of just 10 to 14 months, so most of the 137 individuals observed are believed to have hatched and grown within the park’s protected waters.

Conservation effort pays off

Park Superintendent Mike Reynolds praised the results, saying, “It’s exciting to see Devils Hole pupfish numbers increase so significantly over the past year. These results reflect the dedication of our scientists and conservation partners working to protect this extraordinary species.” The National Park Service attributes part of the rebound to a captive‑rearing program that released 72 pupfish between March of last year and February of this year.

Challenges remain

Despite the positive trend, officials caution that the population remains vulnerable. Natural disturbances such as earthquakes can destabilize the delicate habitat, and two quakes last year were linked to earlier declines. Ongoing monitoring, research, and habitat management will continue to safeguard the long‑term survival of the pupfish.

Why it matters

The Devils Hole pupfish is a symbol of the unique biodiversity found in the desert Southwest. Its recovery demonstrates how focused conservation actions, even for a species that exists in a single, isolated location, can yield measurable results. The park’s partnership with scientists and volunteers underscores the importance of community‑based stewardship of America’s natural treasures.

Original reporting: News 3 KSNV Las Vegas (local) — read the source article.