New live rock friend need an id

[Josh jones]

Hello got 15 lbs of live rock from the gulf and this stuff is amazing so much life on it but these little guys are are starting to pop up got about 15 from what I can see will post picture thanks again for the id

 

[cloak]

It looks like a Hydroid of some sort IMO.

http://www.wetwebmedia.com/hyzoanidfaq.htm