Some Kind of Sea Slug?

[jcneon]

So, I found this slug crawling around my torches, it was probably introduced recently when I got some corals. Would anyone know if it is reef safe?

Link to a video

Thanks,
Jc

 

[Crabs McJones]

Looks like a sea hare of some sort

 

[ChiCity]

some type of elysia slug
(most of them are very beneficial)