This a Acanthastrea?

[Scoobs9083]

<a href=showthread.php?s=&postid=10041005#post10041005 target=_blank>Originally posted</a> by hooterhead
Blasto's have individual heads similar to a trumpet. Favias and Acans are harder but the Favias tend to have more "meat" to them.

so you think this is a favia to?

 

[morbius18]

I posted a pic to your other thread showing the corallite wall/ridge