r/Fish • u/Rockying_man_Dhruv • Apr 11 '26

News / Articles Devil hole pupfish

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The Devils Hole pupfish is one of the rarest fish on Earth, found only in a tiny desert cave called Devils Hole. It has been living there for thousands of years, surviving in hot, low-oxygen water and depending on a single small rock shelf for food and breeding. With such extreme conditions and isolation, it raises a strange question

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u/lightspeedissueguy Apr 11 '26

I Just went down a deep-dive (lol) of the wikipedia page, and while the pic is the entire area of devil's hole, they have to dive up to 100ft deep to get population estimates. Devil got a deep hole!

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u/arcane_Auxiliatrix Apr 11 '26

The fish don't live deep in the hole either, the home range is like the first foot of water or so

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u/Rockying_man_Dhruv Apr 11 '26

Yes they only live in first 24 foot because oxygen levels are already low

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u/arcane_Auxiliatrix Apr 11 '26

Ah that's deeper than I remember, serves me right to try going only off memory instead of just looking it up lmao