Feather duster?

[razorskiss]

I spotted this teeny tiny filter feeder looking thing on the skeleton of a bowerbanki frag. The total size of the fan must be 2-3 mm across and the tips fluoresce yellowish under actinic lighting. Just posting in case it's not at all what I think it is...

 

[vetteguy53081]

I spotted this teeny tiny filter feeder looking thing on the skeleton of a bowerbanki frag. The total size of the fan must be 2-3 mm across and the tips fluoresce yellowish under actinic lighting. Just posting in case it's not at all what I think it is...

Its a tube wrm which uses its fan to capture food. You can break off tube at base, place a dab of gel superglue over the hole to rid of it

 

[razorskiss]

Its a tube wrm which uses its fan to capture food. You can break off tube at base, place a dab of gel superglue over the hole to rid of it

Should I get rid of it?

 

[vetteguy53081]

Should I get rid of it?

I generally do. While not harmful will steal food from coral and multiply

 

[WheatToast]

Picture isn’t very clear, but the hitchhiker might also be a colonial hydroid, which can go invasive (though I never had issues with them). Others have recommended gluing them shut.

 

[razorskiss]

Noted, superglued