Home

Conservation

Gallery

By the Numbers

In the Media

Interviews

For Teachers & Students

About the Site Creator

The Fish

)Devils Hole Pupfish (Photo by Stephen Osman, LA Times)	NPS	Point of Rocks Male with Pelvic Fins (a hybrid, normally DHP do not have pelvic fins)	DHP male compared to a Nickel

Male Devils Hole Pupfish (Photo Copyright Tom Baugh, All Rights Reserved)	Male and Female pairing of Devils Hole Pupfish. (Photo Copyright Tom Baugh, All Rights Reserved)	Devils Hole Pupfish (Death Valley NPS)	Devils Hole Pupfish (Photo by James Deacon)

---

Diagrammatic cross-section of Devils Hole (Source: USFWS)	Diagrammatic cross-section of Devils Hole	Ash Meadows Topo and Overlay	Ash Meadows Hydrology NPS	Ash Meadows Groundwater NPS

View to the Ladder at approx. 40ft (Photo by Tom Jaskulski)	View up to the Surface of Devils Hole (Photo by Tom Jaskulski)	Descent into Devils Hole (Photo by Tom Jaskulski)	Anvil Rock @ 75 ft (Refer to the Diagrammatic cross-section of Devils Hole image above) (Photo by Tom Jaskulski)	Stan Hillyard Counting Pupfish (Photo by Tom Jaskulski)	Devils Hole Pupfish swimming above a "Rodent Graveyard" (Photo by Tom Jaskulski)
Pupfish School (2.06 MB)	Diving Down (1.79 MB)	Single Adult Pupfish (522Kb)	Recording census counts and observations underwater (1 Mb)
The underwater photography and videography that was used to create the above clips was captured by Tom Jaskulski. You may need to download the most recent free Quick Time player to view these videos.

Devils Hole before it was fenced. Circa pre-1960	NPSDevils Hole shelf exposed (circa 1970)	Devils Hole (circa 1974)	Devils Hole (circa 1989)
Devils Hole and David Ek (Photo by Stephen Osman, LA Times)	Devils Hole (Photo by Stephen Osman, LA Times)	Devils Hole after an algal bloom (Nancy Hadlock)	Underwater, circa 1985 (Photo by Hoffman)

The Refugia

Hoover Dam Refugia	Pupfish at Shark Reef Aquarium facility - Mandalay Bay Resort and Casino	Hoover Dam refugium with fish traps used for population counts.	Pupfish sizing
Pupfish on shelf, Point of Rocks Refugia (?)	Measuring hybrid fish at Point of Rocks Refugia	Dead Pupfish collected after Fall 2005 flooding accident	Fish on shelf, (Point of Rocks Refugia, early 1980's)

Moving Devils Hole Pupfish to a Refugium

DHPF on shelf	Capture	Caught: Bagged Transplants	Preparing Transplants for transportation	Checking Water Chemistry	Making sure the water chemistry is just right
Transplants	Getting ready for the release	A successful release	A new home for four DHPF	End of a Successful Day

recording statistics	research	Linda Manning saddened by loss of fish	Studying the area for research
Death Valley Staff	The divers prepare to make a census dive in April 2007	Divers enter Devils Hole with gear on, April 2007	In the water and ready to go under to start the census/survey for adult fish, April 2007
Surfacing after the dive, April 2007	Stan describing the size of a fish that he saw, April 2007	Coming out after the April 2007 survey.	Onlookers outside the Devils Hole enclosure watching the progress of the April 2007 Pupfish survey.

The Data

Devils Hole Water Level data (1962-2004)	Devils Hole Pupfish Population Data	Devils Hole Water Level data (1962-2004) w/ photos

U.S. Fish & Wildlife | National Park Service| Nevada Dept. of Wildlife