Big Bend Gambusia

Big Bend National Park is home to many rare and endangered species, but the Big Bend gambusia lives particularly close to the edge of extinction. How has this fish hung on to such a precarious existence? MORE…

Rotifer Diversity

Every pristine spring, mucky cattle tank, and rain-filled hueco in the Chihuahuan Desert is home to an exceptionally diverse array of microscopic animals. Who are these creatures? MORE…

Dexter National Fish Hatchery

Without the Dexter National Fish Hatchery and Technology Center, several desert fish species might have disappeared from our region. What is this unique facility? MORE…

Return of the Rio Grande Silvery Minnow

These tiny fish disappeared from our region almost fifty years ago. But today, silvery minnows swim again in the Big Bend reach of the Rio Grande. What does this mean for the future of this endangered species and its namesake river? MORE…

Triops

These tiny crustaceans come to life for just a short while during our rainy season, but their eggs can wait decades to hatch and ride the wind for hundreds of miles. MORE…