What are these

[willcollv]

I have a crazy amount of these in my tank can anyone tell me what they are

 

[skiergd011013]

I believe a Feather duster worm...little blurry. Harmless filter feeder. They grow on my glass in the dark spots.

 

[Crabs McJones]

Feather duster. I actually found one of these in my tank a couple days ago :) harmless filter feeder

 

[skiergd011013]

Feather duster. I actually found one of these in my tank a couple days ago :) harmless filter feeder

found one? They grow on my glass in dark spots, and have COVERED the inside of my remora skimmer, lol.