Forgot to post, but my feather duster is ok and grew another crown.
On another note, after much speculation I finally caught my harlequin shrimp eating an astrenia star fish. I have have had him for about a month now, and he hid 90% of the time. Well, this past week he has been out on the prowl hunting star fish! Tonight, my wife (of all people) noticed him chowing down. Funny thing is, I told my wife yesterday that the starfish population seems to be diminishing. From what I understand, these shrimp are not a sure thing on eating astrenias. I snapped a few pics and video.
In my haste, I had the video on a lower quality. But if you look closely, you can see the shrimp holding the starfish in his grip. Very cool to watch!
Click to watch: