Coral hitch hiker? Help identifying please

[wweste4721]

So bought this frag plate about 2 years ago completely covered in different mushrooms well I had a big crash in the tank and lost literally the entire plate bought some ricordias and missed my mushroom plate so I started a new one the frag plate has never left the tank the tank is healthy now and all of a sudden this pops up it looks like some kind of sps but have nothing that looks remotely like it in any of my tanks so I assume it was under the original mushrooms or something and started growing but I've never noticed it before it just randomly showed up (it is super neon green by the way) will take better pics when I can find my lens

 

[wweste4721]

There's a better pic for color

 

[Reefkeepers Archive]

There's a better pic for color

Looks like you got a free sps! Does look like the post-larval stage/young colony, which means that, either on live rock or saltwater, a fertilized SPS egg made its way into your tank and started growing, can't tell you the species, but @encrustingacro probably can

 

[wweste4721]

I will say I have a healthy pocillopora colony but it's pink base green polyps not green skeleton and the slime and currled up shrooms is because I just fed reef roids haha

 

[encrustingacro]

Looks like you got a free sps! Does look like the post-larval stage/young colony, which means that, either on live rock or saltwater, a fertilized SPS egg made its way into your tank and started growing, can't tell you the species, but @encrustingacro probably can

Not sure; too juvenile to tell

On second thought, might be juvenile Pocillopora

 

[wweste4721]

I'll update in about a month once it has some growth on it