The world's rarest fish is rebounding in Death Valley after conservation efforts helped its population more than double.

A new survey found 137 Devils Hole pupfish in Death Valley National Park, marking a notable increase for the endangered ...

The population of Devils Hole pupfish in Death Valley National Park has doubled since a count recorded in fall 2025.

The population of an endangered species of fish found only in Death Valley has doubled since last year, according to park ...

When endangered species reach low numbers, their survival can depend on whether or not they have new habitats to live in, where more of their kind exists. The Devils Hole pupfish doesn’t get that ...

A tiny desert fish survives in a sun-scorched cavern on the edge of extinction. Here’s how it’s offering scientists a rare glimpse into the extremes life can endure. If you ever needed proof that ...

A few miles east of California's Death Valley a chain link fence with barbed wire circles a small pond. Surveillance cameras and alarms, linked to the outside world by a microwave dish, notify ...

Numbers of the Devils Hole pupfish have experienced dramatic shifts in recent years, leading to conservationists supplementing the population. Multiple threats exist in habitats this small, and any ...