Why The World’s Rarest Fish Is Trapped In The Hottest Desert On Earth
With under 40 pupfish left in the wild, these are possibly the rarest fish on the planet. The Devils Hole pupfish have existed in isolation for thousands of years in an extreme environment where few species could survive. How did they end up in such an inhospitable place? And what makes their survival so important?
Season 2 Episode 9
Length 07:46
Premiere: 10/14/25
Paste this code where you want the video to appear.
TV Schedule Filters
Location Help
KET provides PBS national programming for all viewers in our broadcast areas. We use your web browser
to confirm your location.
If you're a KET donor, you may watch this content from anywhere in the United States.
We provide online video of PBS national programming for KET viewers. Please allow KET to access your web browser's location to watch this video.
Explore KET
Ad Blocker Detected
It appears your browser is using an ad blocker. In addition to blocking ads, this software affects our ability to properly detect your location, which we must do before allowing access to video content. Please add KET.org to your safe list or disable your ad blocker for the best experience.