On Tuesday of this week, scientists released the scientific name and description of the deepest fish in the ocean. Pseudoliparis swirei is a Snailfish that lives at the bottom of the Mariana Trench and was collected at 7,966 meters (nearly five miles) deep. The fish was originally filmed in 2014, but has only now been described. There is one other species of Snailfish living at this depth, that makes an appearance in Blue Planet II, but a specimen has yet to be collected and described.

The ocean extends another two miles from this depth, but scientists do not believe they will find any other fish species living below these Snailfish.

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