Hitchhiking crab

[SuncrestReef]

Today I picked up a nice millepora frag from Bali at my LFS. After dipping it and placing it in my tank, I later discovered a tiny crab bout 1/8" in size. Should I be worried about this guy, or just enjoy the entertainment? Here's a macro video I captured:

 

[TriggerFinger]

Good video! Did it cast a web and it’s picking particles from the web?

 

[SuncrestReef]

Good video! Did it cast a web and it’s picking particles from the web?

I had just fed all my corals Reef Roids, so I'm guessing that was just some coral mucus it captured.

 

[KJ]

Cymo andreossyi. Remove them.

 

[Snuffy The Seal]

+1 on the hairy crab, but it could also be a acropora crab which is symbiotic and arguably reef safe.

 

[flsalty]

Does it have blue eyes?