Id coral

[Kazarko]

It's green but what is it?

 

[Dana42078]

Favia maybe?

 

[Hiker4twenty]

Yep looks like some type of favia, favites or closed brain. They all pretty much mean the same.

 

[Kazarko]

Thanks guys!

 

[Bifferwine]

Yeah, it's a brain.