What is at the base of zoas

[MHreefer413]

Can some one tell me what these tentacle looking things are at the base of my 1 zoa??? no it’s not apstasha

 

[tzabor10]

Coraline algae. The videos don’t show

 

[Yodaman]

Without the videos working it almost looks like a ball anemone

 

[EeyoreIsMySpiritAnimal]

Can some one tell me what these tentacle looking things are at the base of my 1 zoa??? no it’s not apstasha

Pics under white lights would help

 

[Asm481]

The start of a bryopsis outbreak? That's how it came to me.