What is it?

[Pootle]

Any suggestions ... LiveLeak.com - Massive Unidentified Sea Monster caught on Oil-Rig Cam


I'm initially thinking a large jellyfish of some type, maybe even a hoax, but strange.

 

[TeaLovingDave]

This video has been floating around (pun unintended) a while - as I recall the identification of this animal as being the deep-sea jellyfish Deepstaria reticulum was pretty rapidly made.