Is it wrong that I just want them to swim into it / inside it, just to see if they are digested?

Going to go out on a limb here, big blob of fish semen/eggs from a mass spawning event...

https://www.rt.com/news/311103-divers-find-giant-blob/

Yup, squid eggs.

"Finally, a scientist from the Smithsonian Museum of Natural History, Dr. Michael Vecchione, who saw the video, came up with a possible explanation of the underwater puzzle. Dr. Vecchione alleged that “the thing” is a huge squid egg mass, possibly the largest ever seen so far."

Sagemind, you are the first candidate for the biggest bukkake in history mate... ; )

its this guy http://img3.wikia.nocookie.net/__cb20120224180313/villains/images/9/95/Blobfutu.png

Sorry guys. I told Tony not to go swimming with all that junk in his hair but what can you do....

It's a real life Gelatinous Cub.. er Sphere!

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The duration of this video has been updated from unknown to 3:12 - length declared by Zawash.