Russian fisherman Fedortsov said this strange creature was a type of Halibut as he reveals his latest strange catches from diving in the oceanic ‘twilight zone’. A comment from a thread says that this fish maybe a Greenland halibut: deepwater fish living in the north Atlantic and Pacific. Unlike most flatfish, their left eye does not migrate all the way to the right side, and instead stays on the top of the head. (Source)
The Perfect Scientist 