What is this...? Is this Aiptasia?

Is this Aptisia?
See pic ..area marked in RED BOX





SPECIFICS:
specific gravity : 1.025
NO3: 10 PPM
pH: 81.~8.2
phosphates: 0.1~0.2.

Tank is a year old -
Other aqauria - 2 clarkI clown, 1 atlantic condy anemone, 5 crabs, 1 Neno dotty back



Others: Others: Tank: 20 Gal Long, 40 LBS live rock, Aquafuge Hangon back Refigum (has Chaeto , live rock rubble, sand and nothing else), Runing - Aquarclear 30 filter (with Chemipure elite - to keep phosphates in check) Hydor Nano SlI'm skimmer, 2 powerheads (600 GPH & 1200 Gph)on a Hydor smart wave controller, Ocean sun (Zoo Med Ocean Sun T5HO 100000K) light on a Aqueon Fluorescent Strip.

 

I can't really tell from that pic. Are the green star polyps retreating around it?

 

They are growing around it... would not say retreating...

 

Aiptasia, I don't think so.

They look more like some form of peanut worm, chiton, tunicate or barnacle.

Have a look through the following and see if it helps identify it:

 

seems to be this... :

not sure

 

Well if it is Spioinidae

They're harmless little filter feeders

 

Just so you can look out for it in the future this is an aiptasia.

 

View attachment 113162

Just so you can look out for it in the future this is an aiptasia.

Thanks Savage...