Mariana snailfish

== English == === Etymology === After the Mariana Trench, where it was discovered. === Noun === Mariana snailfish (plural Mariana snailfish) Pseudoliparis swirei, a snailfish considered to be the deepest-swimming fish on Earth. === References === Mariana snailfish on Wikipedia.Wikipedia Pseudoliparis on Wikispecies.Wikispecies Category:Liparidae on Wikimedia Commons.Wikimedia Commons