What is this 3mm long

[moldrunner]

This critter was found under a frag plug pushed into the sand its about 2mm taken under a microscope

 

[Clo]

No photo

 

[SNAKEMANVET]

No photo

 

[N.Sreefer]

Its a video, link worked for me but that thing looks like a nudi with 2 big tentacles attached to it no idea what that is. Link works though.

 

[ying yang]

Video works for me also.just had to wait 20 seconds or so and it starts.
Some screen shots from video

 

[KrisReef]

Never seen anything like the stills before.
Welcome to Reef2Reef! @moldrunner

 

[Goaway]

Some kind of jelly. Not sure which.