From frightful fangtooth fish and vampire squid to coffinfish and sinister sea urchins, plenty of strange and scary creatures lurk in the dark, cold depths of the ocean. Check out these spooky photos.

16 Deep Sea Creatures That Live in Total Darkness. Alien-like animals that live 1000s of feet below the surface have adapted to hostile environments by taking on the most curious physical traits.

The bizarre bodies of deep sea fish are the stuff of nightmares, but their peculiar shapes also help the animals survive in the dark and cold ocean depths. ... [In Photos: Spooky Deep-Sea Creatures] ...

Pictures show creepy deep-sea animals, some never before seen, discovered near islands off the coast of Australia By Marianne Guenot ...

The drawings, by celebrated marine artist Richard Ellis, appear in his book Deep Atlantic: Life, Death, and Exploration in the Abyss (Knopf, 1996). Click on any of the pictures below to see the ...

The deep sea is cold and dark. The pressure is immense, and meals are hard to come by. Some of the very features that make deep-sea critters appear bizarre to us actually help them survive in this ...

The second video, below, shows marine photographer Gavin Thurston descending into the lightless deep sea. Here, coming across bizarre creatures, like a curious squid or two, is normal.

New research suggests that polymetallic nodules found 13,000 feet deep produce “dark oxygen” by ... The researchers hypothesize that this could be a source of oxygen for deep-sea ... lighter. Many ...

In a new study, scientists report that deep-sea corals that lived 540 million years ago may have been the first animals to glow, far earlier than previously thought.

Rare metals on deep sea and ocean floors miles below the surface produce "dark oxygen," and mining these minerals could cause potentially harmful changes to the marine ecosystem, according to new ...