What is this on leptoseris

[snowdrop6]

I have a leptoseris coral and it has strange holes (looks like chimney) on it. From the holes very thin tentacles are sticking out. I thought this could be a pest so I dipped the coral on Bayer. But no luck it is still there.

Please advise me what to do.

 

[C.Eymann]

Looks like a chaetopterid or spionid worm, harmless unlike dreaded vermetid (snot snails) that cast a mucus net that can irritate coral.

 

[snowdrop6]

Thanks for the info. I searched the online and it seems like that's what it is.

Do you think it's Ok even though it is encrusted with the coral? I just worry if it would interrupt the coral growth.


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[mcgyvr]

They are fine..

 

[C.Eymann]

They are fine..

+1
Zero impact, beneficial filter feeders, coral will grow around them with no trouble.

 

[snowdrop6]

Thanks.


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[AlSimmons]

They might be fine, but the fact that things look a little "off" in that general area say's otherwise IMO. I hope it's ok, but definitely keep your eye on that spot.