Marie and I were discussing the Pipe Organ a few posts back and I've taken some pics to try to explain what is happening. The longer brown polyps are being replaced by shorter green polyps. I'm not sure what is causing this and I'm also not quite sure if I like it or not. The green polyps are definitely brighter and more attractive than the brown ones but they are shorter and don't move in the flow as much. This coral is huge and looked like a large undulating mass. Now it looks like a green fuzzy basketball.
You can see the longer brownish polyps toward the bottom section of the coral and the green short polyps covering the rest.
