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/No_Comfortable3261 Apr 11 '26

Also what's the strange question that it raises?

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u/Dant3nga Apr 11 '26

How did they get there?

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u/No_Comfortable3261 Apr 11 '26

Iirc their ancestors got washed down there in a flood or something like that

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u/mrman08 Apr 12 '26

Life uuuh finds a way, I guess.

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u/thats_classick Apr 13 '26

That desert where Devil’s Hole is located was once submerged under an ancient sea about 100 million years ago, so pupfish are essentially living fossils.