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The entire population of these cave angel fish seems to be restricted to just two small caves. It's the same story with other troglodytes. There may well be less than a hundred Texas cave salamanders in the wild. And the Belizean white crab is another creature that is unique to just one cave system.





 
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Caves part 3 pictures


 
 

 
 

 
Planet Earth Caves
Planet Earth Caves
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