look at this fucking black devil

Photograph courtesy Edith Widder, ORCA
A female angler fish known as the Humpback Black Devil sports a glowing lure. See more bioluminescence in the abyssal Caribbean.

look at this fucking demon

Photograph courtesy NIWA
Female black dragonfish—such as this newfound specimen of the Idiacanthus genus—are "fierce predators" of small fish. But "interestingly, male dragonfish lack teeth and a functional gut, and are thought to live only long enough to breed," biologist Malcolm Clark said.

look at this fucking oxymoron

Your move, Jumbo Shrimp.
Photograph courtesy Oceanlab, University of Aberdeen
Source

look at this fucking perplexing oddity

Photograph courtesy Laurence Madin, Woods Hole Oceanographic Institution
This 10cm segmented worm is actually called a squidworm.
Clever, I know.

look at this fucking purple octopus

Photograph courtesy Bedford Institute of Oceanography

look at these fucking deep-sea aliens

look at this fucking dark sider

Photograph courtesy Kevin Raskoff, Monterey Peninsula College
Darth Vader would be proud, right before he destroyed the entire planet with the Death Star.