New coral or invert? No idea

[pcas3]

I have seen this thing open up in my tank and when I get near to it with my tweezers it goes into this tube so fast you can hardly see it. It definitely is stationary and cannot move from that spot. Only open up


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[Raleighfishnerd]

Looks and sounds like a feather duster worm. Harmless filter feeder

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[pcas3]

Thanks!


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