What is this?

[MarlinHooker]

Can anyone tell me what the frag is in the middle of this pic? It is actually a bright reddish color .... (don't even know if it is an SPS or LPS ...)

 

[pantherguy30]

What is this?

Looks like an acanthastrea to me.

 

[MarlinHooker]

ok ... flow and lighting req'ts?