Use the key under Identification Key to determine the identities of the following coral. If you are stumped, click on I give up. Pay attention to the number of corallites per branch. I give up. Be sure to look at the field photo.
Colony shape is the trick here.
I give up. Look at the SEM image. Look at the field photo for confirmation. I give up. Contrast this specimen and its field photo to the field photo of Acropora palmata.