মৃত্যু উপতক্যা ! শয়তানের গুহা ও পৃথিবীর বিরলতম মাছ ! What is the rarest fish in history? #pupfish
Channel: Onirban
Date: 2022-06-17

মৃত্যু উপতক্যা ! শয়তানের গুহা ও পৃথিবীর বিরলতম মাছ ! What is the rarest fish in history? #Devils_Hole_pupfish
মৃত্যু উপতক্যা ! শয়তানের গুহা ও পৃথিবীর বিরলতম মাছ ! #Devils_Hole_pupfish #Death_Valley_National_Park #Nevada #United_States
Death Valley was given its forbidding name by a group of pioneers lost here in the winter of 1849-1850. Even though, as far as we know, only one of the group died here, they all assumed that this valley would be their grave.
 One of the world's #rarest_fish species, the Devils Hole pupfish, has reached a population of 136 observable fish
Devils Hole itself is a water-filled cavern cut into the side of a hill. The cavern is over 500 feet (152 m) deep and the bottom has never been mapped. Devils Hole provides its resident pupfish with conditions of constant temperature (92°F, 33°C) and salinity, unlike the fluctuating environments of many other pupfish
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