Is this Aptaisia?

[special-ops-s2k]

It's hanging out on one of my chalice frag plugs in my coral QT

Also I noticed these on this zoa frag, are these feather duster worms or are they 2 small aptaisia on the Zoas?

 

[Vinman]

Looks like it to me

 

[LegendaryCG]

Kinda hard to see it clearly but yes it looks like it to me too.