Scrolling or ruffled variety of a turbinaria sp. I have the yellow version and been veery happy with the colors and hardiness, but the one you found is stunning . Mainly relying on photosynthesis, they will eat small foods but take a long time to consume mysis, etc. Some quick googling brought these up:

http://image06.webshots.com/6/5/13/2...2UFUmso_fs.jpg

http://www.wildsingapore.com/wildfac...turbinaria.htm

http://www.thatpetplace.com/pet/group/6113/product.web

http://www.mailordercorals.com/image...olypturb_3.jpg