The Presidential Daily Brief

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    Fish Discovered at New Depths in Mariana Trench

    They’re under pressure. Scientists have difficulty studying the Mariana trench, the deepest waters in the world, where human divers can’t explore. But cameras and traps have revealed a new species that swims more than 26,000 feet below the surface: the Mariana snailfish. Scaleless and translucent, the two-inch snailfish must withstand the darkness and extreme pressure of the ocean’s hadopelagic zone — but with few predators and many tiny crustaceans to eat, they appear to be thriving. Marine biologists say the find is a peek into virtually uncharted waters.

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