Any ideas what this is

[ADHDboy]

OK I am moving house shortly so the tank is being disassembled and moved.

I have an Anemone in the tank which has not caused any trouble, I imagine it has come in on live rock at some stage, but I have had it for over 2 years now.

So do I worry about trying to move it or is now an ideal time to kill it, if it is an Aiptasia. The reason I am not sure is that all the times before I have had Aiptasia problems then they have spread all over the tank in no time.

Anyway, here are the pictures.

 

[ChunksInClemson]

Yeah, definitely looks like aiptasia to me....I have had one for about 7-8 months and it has never spread so I just leave it alone but I am prepared to nuke it if I see one more.

 

[water hazzard]

kill that pest

 

[davocean]

I'm not so sure that's apt.
It's similar in shape, but not color, and yeah, I would think it would have spread by now.
I saw somewhere else someone showed something like that, maybe a tube anemone?

 

[Riona]

If it was a tube anemone it would have a big tube(reminiscant of a feather duster's) that it buryed in the sand. Looks like that one is on a powerhead or something similar.

I'd say some random "glass anemone" aka aiptasia.