A coffinfish was also pulled from the depths. It has a stem on its head that looks like bait and is used to reel in prey.
There’s a faceless fish that has no eyes, but does have a mouth that scientists say reminds them of the Mona Lisa. They had known about the fish’s existence but it has only been seen occasionally over the past century.
They also found sea pigs, which are a type of sea cucumbers, a dumbo octopus that uses its ear-like fins to swim through the water and carnivorous sponges.
Scientists told ABC that they used a specially designed camera that was lowered into the abyss as deep as 4 kilometers, or more than 2 miles, that allowed them to see in an area so deep that light cannot reach.
About a third of the animals scientists discovered over their month-long expedition are new to the scientific community, New Scientist reported.