These creatures are so fragile that the moment they are pulled out from the water, they collapse and disappear.

Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they ...

The Rock Pool Project in Plymouth says the non-native sea hare looks "alien-like".

Charley Taviner, five, was following a crab when he found what he thought was a huge lump of seaweed. But it turned out to be Aplysia depilans - or the "Mediterranean sea hare" - a species rarely seen ...

Thousands of strangers on the internet just collectively named a deep-sea creature that lives on sunken wood at the bottom of ...

It secretes toxins and is a very unusual find ...

An alien-like creature ‘from another planet’ has washed up on a UK beach and been identified as a rarely seen sea creature. Georgina and Rob Pope were walking their dog, Nona, at Pakefield, Suffolk, ...

Ghosts, goblins, spiders, and wolves don't just show up in fairytales. Some deep-sea creatures are named after frightening or mythical creatures thanks to their eerie appearances. However, strange ...