Id this please

[cronamator]

by the dead skeletal polyps around it where the flesh used to be. favia skeleton is more pronounced and ridged. that coral is on divers den all day long, and never as a favia or a lordhowensis.

[usmc2b2004]

http://www.liveaquaria.com/diversden...3+8&ddid=56614
As far as color and the look this hit's the nail on the head.

[taminate]

my first look-i say acan, and i have an acan that when the light first come on you can see where a couple of heads are gone, and the "skeleton" looks similar to what you have there

[cronamator]

the only thing about A.Hillae is the polyps are shaped identical, but they are HUGE. each hillae polyps is about the size of 3 howensis polyps

[kyrie_eleison]

.

[coralshypnotize]

it is acan