Have you seen an octopus do this before?

Nope

The vampire squid is an extremophile, inhabiting the dark ocean depths from 2,000-3,000 feet . If threatened, this defensive deep-sea Dracula does not eject ink, as do most of its cephalopod cousins. 🦑

Nope.

@EaRT_VisuaL This is actually a Vampire Squid, and interestingly they also exhibit bioluminescence (their body parts produce & emit light)

Definitely. In one piece.

nope. but it reminds a monster from the Nope movie

No. I've never seen that before, but I don't go invading unexplored regions of the deep sea and scaring the bejeezus out of creatures that were previously blissfully unaware of the existence of huge painfully bright robots.

It’s a squid