ID please?

[brianr24]

You see that white worm looking thing in my Zoas? Kind of looks like feather duster but I can't tell. Doesn't seem to be effecting them. But wondering if anyone knows.http://www.reefcentral.com/forums/attachment.php?attachmentid=349065&stc=1&d=1461794856

 

[brianr24]

Here is another photo http://www.reefcentral.com/forums/attachment.php?attachmentid=349066&stc=1&d=1461794935

 

[cloak]

Check this out.

http://reefkeeping.com/issues/2003-05/rs/

HTH.