ID this hitch hiker that came in on gsp

What is this?

 

It's not a hitchhiker IMO. It's just new growth that is either bleached from lack of light or due to age. Looks like normal mat expansion to me.

 

if it came from the gulf it looks like a rock anemone

OtherPstAnemFAQs

 

Are you talking about the white item under the matting or the purple growth on the edge?

The purple growth is exactly as RM described.

 

I thought I specified lol sorry guys, yea the white thing.

 

Just a guess I would have to say a soft coral type, like kenya or colt but I would need a much closer image. Basically I have no clue.

 

I'll try and get a big fancy camera to macro shoot it. That may help.

 

Please Id Coral Or Anemone - Saltwater Invertebrates & Corals - Tropical Fish Forums

 

I knew you were talking about the white thing. Look at the polyp sticking out of it, it's identical to those on the the top.

It's either new mat (which will color up over time) or old mat that formed when conditions weren't perfect so it never got the purple.

It's no hitchhiker IMO, just part of the existing coral.

FWIWFE...
If that stuff likes your system do not get it anywhere near your main rock work, unless of course you'd be cool with a tank full of GSP covered rock.

 

Not exactly those. It's all white and the tips have a flower appearance like the gap but no color here are better shots