Hello, ive has this acans for a while now and its been doing pretty well, but when i woke up this morning i noticed what looked like feathers coming from underneath it, i picked it up and it had a long white tube connecting it to the base. Im wondering if anyone know what this might be, id its dangerous to the fish/corals, and how to get rid of it. To me it looks like a feather duster worm but im not sure. Thank you
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