Is this starting to split?

[JackPinny]

I bought this coral sold as a moon coral to me if that’s the proper name ?!
It looks as though it is splitting can anyone confirm I’m new ish to lps so any help is appreciated

 

[MERKEY]

Looks like an acan to me and it won't split but they grow heads next to each other.

 

[Hemmdog]

I bought this coral sold as a moon coral to me if that’s the proper name ?!
It looks as though it is splitting can anyone confirm I’m new ish to lps so any help is appreciated
View attachment 2958137

Favia, it’s growing new heads. You can feed them mysis once or twice a week.