Can you ID this for me?

[asl4me76]

I have no idea what this is. It looks like maybe a chalice, but I'm not quite sure?

 

[chilwil84]

looks like a acan

 

[Hormigaquatica]

Yep; looks like Acanthastrea echinata to me

 

[asl4me76]

How can you tell?

 

[attml]

Those are pretty standard Acanthastrea colors and eyes

Here is a shot of a similar coral.