Some Filter Feeder?

[rrbigdog]

This showed up a few days ago. It randomly pulls in the branch looking things. Then will disappear for awhile. Comes back in same place.

 

[rrbigdog]

Anybody?

 

[Big K]

Freaky!

You've got some weird shite in your tank.

No idea...

 

[Aquarian]

Check here LionfishLair.com - Hitchhiker Guide to your Aquarium.
It looks like Foraminiferans to me