Our team put down cameras baited with mackerel to attract mobile animals in the trench. Yet, a host of animals thrive under these conditions. Water temperatures are as low as 33 degrees Fahrenheit (1 degree Celsius). Pressure is as high as 15,000 pounds per square inch – equivalent to a large elephant standing on your thumb, and 1,100 times greater than atmospheric pressure at sea level. To humans, they are harsh, extreme environments. Hadal trenches are named after Hades, the Greek god of the underworld. Paul Yancey, Whitman College., CC BY-ND Life in the trenches Studying its adaptations for living at such great depths has provided new insights about what kinds of life can survive in the deep ocean.ĭeploying the fish trap in the Mariana Trench from the R/V Falkor. We recently published its scientific description and officially christened it Pseudoliparis swirei. It has been seen living at depths of almost 27,000 feet (8,200 meters). Our research team, which includes scientists from the United States, United Kingdom and New Zealand, found a new species of hadal snailfish in 2014 in the Mariana Trench. Nonetheless, hadal snailfish are some of the most successful animals found in the ocean’s deepest places. Its skin is so transparent that you can see right through to its liver. However, the world’s deepest-dwelling fish – known as a hadal snailfish – is small, pink and completely scaleless. They include viperfish with huge mouths and big teeth, and anglerfish, which have bioluminescent lures that make their own light in a dark world. Thanks to movies and nature videos, many people know that bizarre creatures live in the ocean’s deepest, darkest regions.
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