What the heck is this??

[Christopher311]

Came home to find this guy on my glass. No idea what it was but definitely didnt think it was alive. Then i noticed it was crawling with this awesome glow on Its body.

So what the heck is it?

https://www.youtube.com/watch?v=Di5RcADJK-A

 

[Christopher311]

Earth to aquarium advice. Anyone there?

 

[Airgoose2222]

Does it move? I couldn't tell from the video. May be a scratch in your glass or acrylic???