Hummm... What is this???

the Art Mill studio

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Ok at first I thought this was possibly a sweeper coming from a gorgonian,
but then I realized that it is also coming off some rocks & macro algae's as well...
It looks like a very long thin string with additional strings coming off the main string in the shape of a feather.
Its definitely irritating one of my gorgonian's, (its usually very fluffy) but the polyps are barely opening.

Any help in what this is & How to get rid of it is Greatly Appreciated!!!
I hope the videos work... I tried to download them directly but they wouldn't work,
so I did the YouTube thing (that seems like what is suggested in the post).


 

Waters

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Looks almost like vermetid worms which they shoot out "spider webs" to collect food.....but that doesn't explain the ones attached directly to the gorgonian......
 

ISpeakForTheSeas

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Benthic ctenophores/benthic comb jellies:
That's a Benthic Ctenophore - a benthic comb jelly. You can see the tentilla (the mini tentacles shooting off the main one) that are a good giveaway; the tentacles will lead back to a little blobbish shaped pressed flat on the surface.

It's generally recommended to get rid of them:
Generally speaking, you'll want to remove benthic ctenophores to be safe (my understanding is that some are harmless pod-eaters, but others can eat small fish).
 
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the Art Mill studio

the Art Mill studio

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yea not sure but I don't think its vermetid... this stuff appeared in like a week & the strings (webs) seem to be attaching all over different things Georgian, Macro Algae, even coming off the rock in some places.
 

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