Aptasia? Feather duster?

[Gaxmode]

Gray things in my chaeto in the fuge. They retract into the light brown tubes when touched.

 

[j_mazzy]

Feather duster

 

[Gaxmode]

That's what I was hoping to hear. Still relatively new tank and just noticed a bunch on the chaeto.

 

[pyithar]

yes, feather dusters. i can see the feather caulerpa in the pic as well.

 

[johnike]

Nope, not Aiptasia this time!!