Need help identifying hitchhiker?

[bluelightreef]

Can anyone help me identify what is hiding underneath this blastomussa coral frag I picked up a couple of days ago? I thought at first glance it might be aiptasia until I took this photo and noticed the barbs on it's tenticles.

 

[Auquanut]

Looks like a micro brittle star. Good guy.

 

[bluelightreef]

here's a zoomed out picture where it's located

 

[bluelightreef]

Looks like a micro brittle star. Good guy.

ahh...very good. Thank you!