1 more ident

[JonnyJ]

Tank is 5 days old, aquapod 24, only have cured liverock in it. noticed this yesterday. no direct light hitting it.

 

[Deanos]

Brown button polyp

 

[anthony27]

it is a good thing

 

[CrashGibson]

free coral pop ups are cool! and if you take care of it, it will happily spread!

 

[SevTT]

Tank is 5 days old, aquapod 24, only have cured liverock in it. noticed this yesterday. no direct light hitting it.

It's a paly of some sort, probably the common brown sort -- though these can sometimes gain a bit of color under reef tank lighting. It's a good thing.