ID please!!!

[Naldy]

Hi to all!
Could you please help me ID this growing on my zoa. I know for a fact it is not Aiptasia. I was thinking maybe a feather duster?

 

[Saltyreef]

Aiptasia

 

[Naldy]

Aiptasia

Does Aiptasia closes into a tube when something swings by?

 

[Saltyreef]

Hi to all!
Could you please help me ID this growing on my zoa. I know for a fact it is not Aiptasia. I was thinking maybe a feather duster?

Possibly a feather duster then. Hard to see.

 

[mww00ds]

Looks like a barnacle

 

[Naldy]

Looks like a barnacle

Possibly a feather duster then. Hard to see.

Here is a better picture of it.