acropora

After 3 years of maintaining the ELOS 160, I've realized that one of my favorite parts of reef keeping is collecting, growing, and propagating coral. So, I'm adding a second aquarium to the mix, more tailored to that purpose. The first part of its life will be spent as a frag tank of sorts...

I have had this for about a year and it encrusted super fast, but has taken a while to grow. Over the last few months it looks to be tabling toward the back. Can anyone give me an ID on this? I was thinking possibly some sort of purple dragon, but most of the ones I have seen have very thin...