They're back. A lot of them. And they're reproducing. The invasion of the pyrosomes, gelatinous, translucent tube-like creatures ranging in size from less than an inch to a foot or more, continues in ...

A pair of divers captured amazing footage of a surprise encounter that left them “incredulous and elated” that such a creature existed. At first they weren’t quite sure what to make of it but they ...

From the video, the amorphous blob seems to stretch on for a mile as it snakes through the water, dwarfing the two divers who surround it. For 47-year-old videographer Steve Hathaway, the Oct. 25 ...

Screen cap from one of the only pyrosome videos out there (see the end of this post). I was living in Africa the first time I saw a pyrosome, and I nearly cried. I was doing research on plankton, ...

Hi lovely internet. I’ve noticed lots of folks getting really excited about a new video going viral. Many are calling this giant strange worm a pyrosome. Now, I love pyrosomes. I’ve written about ...

Nope, the strange underwater thing in the image below isn't an inflatable tube man swallowed by the ocean. It is a pyrosome. Pyrosomes are so rare that, for most underwater divers, they may as well be ...

A translucent, cylindrical free-floating monster lurks underneath the sea. It has a mouth large enough that it could devour adult humans, if it chooses to do so. But it doesn't. What could easily seem ...