Worm ID. Not a bristleworm!

[RandyT5]

What kind of worm is this guy? Found him in my sump munching away at a silverside for my mantis shrimp, probably came out of florida live rock that i got a few months ago. Good or bad?

 

[vetteguy53081]

Not positive but looks like a Eunice worm and no good

 

[anthonygf]

Here is a pic of this worm on Wikipedia.

 

[Yates273]

Maybe a blood worm?

 

[ReefBridge]

I could see where the body looks like a Eunice worm but the head doesn’t. Usually there’s more going on there, couple of claws and 5 or 6 antennae (for lack of knowing what they’re actually called) and they lunge out and attack food. I would say neither Eunice or bristleworm. If it were me, I would remove it. I’m not a huge fan of giant worms.

 

[I’m Batman]

Here...

Pretty sure this isn't a bristle worm. Please help ID it.

Saw this tonight right before lights out. Moving about in the sand. After lights out last night I decided to check things out, to my horror I turned the flashlight on and there was a worm atleast 8 inches long all the way up my glass and when the light hit it, it rushed back under the rock in...

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