Species ID?

AydenLincoln

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I saw this photo in a Facebook group and I was hoping @ISpeakForTheSeas could tell me what it is? No one on Facebook seemed to know.
IMG_7911.jpeg
 
It doesn’t really have bristles like a traditional bristleworm does…it also appears mainly smooth. It’s so interesting and I’ve never seen anything like it online in any forums or in person.
 
Maybe a Polychaete?
 
I saw this photo in a Facebook group and I was hoping @ISpeakForTheSeas could tell me what it is? No one on Facebook seemed to know.
IMG_7911.jpeg
Pics from the top would have been helpful in this case, but that's a Hesionid worm, likely from the taxonomic subfamily Hesioninae, though I haven't looked into the other subfamilies/genera in the family to say for certain.

To clarify, though, it is a kind of bristleworm (Polychaete) - you can see the soft, stringy little bristles kind of drooping from the parapodia in the first pic - and it should be harmless/beneficial.
 

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