GazuntaiReef - Ever seen a half naked Feather Duster?

[DxMarinefish]

Just something I saw in my DT yesterday. I had to quickly pullout my iPhone to film it so apologies for the bad video quality.

Any experts on here, please chip in. Should I be worried?
So far it's now retracted its body and looks ok. Its been with me for just over 4 years now.



If you have any pics or videos of such a behaviour please post below. I am fascinated by these beautiful creatures.

 

[P-Dub]

Never seen that.

 

[hds4216]

Following

 

[DxMarinefish]

This particular feather duster extended its body again today, but my phone was out of juice.
Not sure whether I should be worried .

I will try and catch a batter video next time.