What is this ???

[marylee]

tennicle-string like , clear-ish red orange with little dots along the string.

[greech]

Looks like some kind of macro algae.

[tozzi]

Yeah looks like a macro. Might want to get it out, most grow quick, and could spread all over the place

[kingfisher62]

Ahh! That would be a spaghetti worm! I will find a pic and a video of some of mine and post shortly!

[kingfisher62]

Here ya go! They do not usually climb out like this but this one did after a water change.
They are a beneficial cleaner.

<a href="http://s144.photobucket.com/albums/r174/Kingfish62/?action=view&current=DSCF3490.jpg" target="_blank"><img src="http://i144.photobucket.com/albums/r174/Kingfish62/DSCF3490.jpg" border="0" alt="Photobucket"></a>

<embed width="600" height="361" type="application/x-shockwave-flash" allowFullscreen="true" allowNetworking="all" wmode="transparent" src="http://static.photobucket.com/player.swf" flashvars="file=http%3A%2F%2Fvid144.photobucket.com%2Falbums%2Fr174%2FKingfish62%2FDSCF3502.flv">

[kingfisher62]

Actually I like this video clip better and a closer picture.
Ya gotta love the biodiversity in liverock!
<embed width="600" height="361" type="application/x-shockwave-flash" allowFullscreen="true" allowNetworking="all" wmode="transparent" src="http://static.photobucket.com/player.swf" flashvars="file=http%3A%2F%2Fvid144.photobucket.com%2Falbums%2Fr174%2FKingfish62%2FDSCF3501.flv">

<a href="http://s144.photobucket.com/albums/r174/Kingfish62/?action=view&current=DSCF3496.jpg" target="_blank"><img src="http://i144.photobucket.com/albums/r174/Kingfish62/DSCF3496.jpg" border="0" alt="Photobucket"></a>

[robs.mark]

Spaghetti work for sure, good hitchhiker, nice find! :thumbsup: