But when it comes to the deep sea, there are a lot of things we just don't know about, like a newly discovered species of "ghost shark" that looks like something you'd see in your nightmares.

Ghost Shark and Manta Ray protect the undersea realm. Sounds like the plot of a future Marvel movie, but in actual fact, it’s ...

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The ghost shark's tentaclum on its head is used to facilitate copulation with a female Explore Subscribe Newsletters Content Licensing Our Partners Terms of Use ...