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Hi Ned - In my nano-reef, I've spotted (at least) one small, red bristle worm. In my reserach, many sites state that they are harmful and bad for the tank, especially to other inverts and coral. A few suggest that they are realtively harmless, depending on their size and number. What are your recommendations? Also, if harmful (which I suspect it to be), what is the recommended course of removal? Thanks!

Typically if you see 1 bristle worm, you have a dozen you don't see. Pretty much all reef tanks have them and never have problems with them. Arrow crabs eat them (in stock at Ned's). The only thing I have really seen have issues with the worms are clams.
That's just my findings with the worms.

-TheFishGuy

From my experience, they aren't harmful, but extremely creepy, and I wanted them gone. I placed food out away from all the rocks, then turned the lights off and waited for the big guy (16"-18") to come out and feast. I grabbed a net and flushed him, along with any others I saw.

Many stores sell bristleworm "traps" that you have to bait, but 6-line wrasses eat them like candy from what I heard.

I bought a sixline wrasse to help control the worm population (I wanted another fish anyway - love when I have a vaible excuse to go fish shopping!).

Question about typical sixline wrasse behavior... Last night, after the lights turned off, he went straight for a crevice in my live rock. He really wedged himself in there - to the point he looked stuck and uncomfortable. I helped him out, but then he went right back to the same spot and wedged himself in there. Having done it twice, and knowing that some wrasses like to hide (especially at night), I assumed he was doing something natural. He was still wedged in there this morning, with what appeared to be a "slime cocoon" around him and the crevice. Is this typical nightime behavior for this species?

Sounds like you need to build the wrasse a cave.

Just leave the wrasse be,
he's making himself comfortable

yes that's normal

Ok - So my wrasse spent most of yesterday in hiding, which seemed normal from all that I read about wrasses. But less than 48 hours after adding my him, I found him being devoured by my hermits this morning. Are wrasses susceptible to this sort of thing?

eww

don't know what happened

I don't know why it died

the crabs didn't kill him
they are just cleaning up after the tragedy