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Roman Fedortsov, 39, works on commercial trawlers, where he usually reels in cod, haddock and mackerel.
But that's not all that shows up in his nets when he's on the job, as his feed on Instagram shows.
Fedortsov sometimes has to fish up 3,300ft below the surface to catch fish, meaning he can come across some fairly bizarre deep-sea creatures - from one-eyed fish and ghost sharks to bearded sea devils and anglerfish.
He documents the strange animals online, saying that they are all 'beautiful' in their own way.
Murmansk-based Fedortsov - who uses an iPhone 11 Pro Max to document the animals - fishes mostly in the Barents Sea, off the northern coasts of Russia, which opens into the Arctic Ocean.
However, he said he also travels to other parts of the world, including the Atlantic Ocean, off Africa.
He started photographing the unusual discoveries after finding things that were so much stranger he could ever imagine - pulling in creatures adapted for survival in almost permanent darkness all year round, which are often compared to aliens by his online followers.
Posting a video of a particularly creepy-looking catfish baring its teeth, Fedorstov wrote: "By the way, catfish are very tenacious, so you need to be careful with them. Especially when she's pretending to be dead! ⠀ ⠀
"And yes, she even bites through rubber boots very well."
Writing about a roughhead grenadier, he said: "Would you buy such beauty if you saw it on the counter? I guess not! ⠀
"Therefore, they sell [it] cut up. But as it turns out, sometimes the ugly appearance is compensated by the delicious filling."
The deep sea fisherman said others are always fascinated by his creepy finds, but said some fish look more like 'monsters' than they actually are.
According to the Daily Star, the fisherman previously said: "All kinds of fish are beautiful in their own way. I can not say that they are 'scary' or 'ugly'.
"People are very interested in unusual sea creatures."
He continued: "Readers have the impression that with each trawl we bring aboard unusual fish specimens.
"In fact, this is far from the case. It is a rarity.
"On the other hand, even a famous fish can be photographed so that it will seem to be a 'monster'."
He added that most of the raised fish do not survive, due to the difference in pressure.
Featured Image Credit: @rfedortsov_official_account/Newsflash
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