Is this Aptasia

[MounteeFrag]

Just noticed this today. It's attached to a piece of coral thats been in my tank for a couple months

 

[TJ's Reef]

Hard to tell from pic but looks like a Tube Worm species.

Cheers, Todd

 

[MounteeFrag]

I don't believe it is. I believe it's a feather duster of sort

 

[captainsaquarium]

Yeah it is really tough to see in that pic but I think the others are right. It looks to me like a tube worm