Identification.

[carlB9]

I have a couple of these growing on the rocks are they feather duster's or something else? the thing coming out of the white tube.
Thanks for any help


Sent from my iPhone using Aquarium Advice

 

[dragonfisher33]

feather dusters-filter feeders, harmless.

 

[carlB9]

Thanks


Sent from my iPhone using Aquarium Advice