Here are some of the deep-sea animals that we do know something about. The pelican eel (Eurypharynx pelecanoides) is a type of gulper eel that uses its large, pelican-like mouth to gulp up its prey.

Additionally, many deep-sea fish have eel-like body shapes, which helps make backward swimming possible. The backward-swimming deep-sea fish typically measured between 1 and 2 feet in length and ...

Norwegians haul up from the deep a sea lily, a living fossil previously ... discovering new kinds of eels, fish, and squid. Alexander Behm sails the North Sea and bounces sound waves off its ...