Friend or Foe? ID Help!

[htown1331]

I set up a new 55 gal sw tank approx 2 weeks ago with 65 lbs of live rock purchased from LFS. The cycle is almost complete so I've started to notice more and more life.

I have been able to ID most of my hitchhikers, but these little guys just popped up a couple days ago. There are now 10-15 of them on one of the rocks near the top of the tank. I've looked everywhere but haven't been able to find a match. Thoughts?

 

[Christopher Davis]

Looks like Xenia elongata

 

[Christopher Davis]

It's not what I thought it was it looks like this kind of Xenia which I cannot ID for the life of me!

 

[htown1331]

I'll keep an eye on it for the next few days. It just popped up in the last 2 days and appears to be growing quickly. Thanks for the input!

 

[Roboson]

It doesn't appear to be a pest of any sort, and xenia certainly does fit the bill. If they had some in the system the rock came from, it could have easily made it into the tank. That's a nice bonus.

 

[saltyfilmfolks]

Yup Xenia or maybe gsp.

 

[reef lover]

Anthelia.....cool score!