Originally Posted by traviere
It could be a Kenya but it also might be Xenia that's not real happy. I had the same thing happen. I haven't exactly determined what happened, but I believe my water parameters were just a bit off. If this goes on for another day or two, you may be able to cut a piece off of there that hasn't kicked the bucket and grow from there. Xenias are also know for randomly kicking the bucket.
It's definitely a Kenya tree, I've had a lot of experience with them.
Also, the reason it's like that is because it's new, or at least that's what usually happens for new corals. I doubt it is actually harmed, it looks healthy enough, just a bit closed.
Btw OP how is it doing?