Jan 13, 2018 #1 IvanGAndrade Aquarium Advice Apprentice Joined Dec 5, 2014 Messages 29 Thanks for the help
Jan 13, 2018 #2 coralbandit Aquarium Advice Addict Joined Apr 16, 2015 Messages 6,943 Location Saratoga,NY Brain coral I believe . There are many kinds of brain coral. This one I think is Favites.
Jan 13, 2018 #3 54seaweed Macro Addict Joined Apr 3, 2012 Messages 7,807 Location Colorado I agree both look to be favites