A previously unknown species of snailfish was discovered in October in the Peru-Chile Trench at the insane depth of 7000 mt (22,965 ft)! The NatGeo article equates the pressure at that depth with 1600 elephants standing on the roof of a Mini-Cooper. No one thought that there would be a living creature that far down.
I had the opportunity to interview a member of this unique tribe of snailfish. It wasn't easy. They have been minding their own business down there since forever. After some small talk about how it felt to be "discovered", he fell into sharing the sad story of his son, Eusebius Valdemar Deeptrench III.