Devils Hole
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Devils Hole is a geologic formation located in a detached unit of Death Valley National Park and surrounded by the Ash Meadows National Wildlife Refuge, in Nye County, Nevada, in the Southwestern Unit
Looking into Devils Hole; the dark area is the surface of the water.
A viewing platform overlooks the hole.
Devils Hole pupfish, Cyprinodon diabolis, from Death Valley National Park
Dytiscidae
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The Dytiscidae, from the Ancient Greek word δυτικός, meaning "able to dive", are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the wor
Devils Hole
…1990s, the pupfish population has substantially decreased. The reasons for the decrease are unknown, but is possibly due to a microscopic non-indigenous diving beetle that is consuming pupfish eggs. "Devils Hole". Geographic Names Information System. United States Geological Survey, United States Department of the…
Cybister lateralimarginalis, Berkenwoude, the Netherlands
Dytiscid larva feeding on a stickleback
Great diving beetle (Dytiscus marginalis) larva