Just 10 minutes from downtown Huntsville, Alabama, a hidden world teems with strange creatures. The 2,500-foot-long Shelta Cave winds below forested hills and suburban neighborhoods; among its three large halls, up to 30 feet tall and hundreds of feet wide, there are a series of crystal-clear lakes during the rainy season in late winter and spring, when the cave’s water levels rise as much as 15 feet. And it’s in those lakes, in the darkness, that a tiny, translucent crayfish makes its home. The tiny crayfish was once thought extinct, but is hanging on—though it is considered critically endangered. |
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