Any idea what this is?

biodarwin

Reefing newb
I have no idea what this is, but it seems to be growing well in my aquarium. Any have a clue?

weird_stuff.jpg
 
Looks like some type of algae to me.
I picked up a piece of live rock a while back that something like that on.My fish tore it up quick.My tang really loved it and kept going back looking for more.
 
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