Reef Aquarium Growth ID

[MusicianMadness]

Hello. I hate to be that person asking for an ID but I noticed this protruding from a live rock today and was curious if anyone knew what it could be. I am guessing maybe a closed up pest anemone like mojano or a closed up feather duster, but it does not quite look like any examples I have seen.

 

[Mr. Mojo Rising]

are you able to post a side view?

 

[jeanjo85]

Looks like a blastomussa tiny polyp...