Thanks all for the replies. I'm going to need your help on this. I can assure you that I have one of the "nasty" worms in my tank. I have seen him dart out, take a bite out of my zoos (@@#%**!!) and dart back behind the rock. This all happens in about two seconds (I'm not kidding - blink your eye and you miss it). As far as using fish to control this, I already have two wrasses. Not because I was trying to control worms - just because I like them. Poor pod population isn't a problem since I don't not have fish which require that for food. I've had a Yellow Coris Wrasse for over a year. Then about three months ago, I saw a four line - that's right a four line - wrasse at my lfs (a very good and respectable store). Somewhat rare and I really thought it looked cool. You can see what I have by going to this site:
http://www.vividaquariums.com/10Expand.asp?ProductCode=01-4130
Both wrasses are doing great and neither one of them is a problem as far as being aggressive. In fact, both seem pretty mild. Unfortunately, neither seems to be able to do anything with this worm. One problem may be that the worm generally comes out at night. By then the Yellow Coris is buried in the sand and four line is hiding for the night. No matter, the wrasses are not getting to this thing. Perhaps a Six Line Wrasse would do a better job, but if two wrasses can't track this thing down, I'm not sure adding a third will make a difference.
So, I still have my trap in there (empty!). Fish are doing great and corals that are not being snacked on are doing well too. Unfortunately, I'm in the process of losing a 25 polyp zoo colony to this stinkin thing. I just got to get this worm out. Unless I can see which rock he is actually going into, and then I can quickly get it out, I'm losing hope. If you can give me some hope, help, etc, I'd really appreciate it.
melosu58, I understand your comments and everyone elses on using animals to control some things like algae. I've been thru those battles too and used the info on this site to fix the problem by correcting the source.
roka64, I'll update my info, but just a quick overview:
120 gallons Started April 2005
Approximately 250 pounds of live rock
Fish:
One Hippo (Regal) Tang
Two Wrasses mentioned above
One Clown
One Flame Angle
One Royal Gramma
Assorted soft and hard Corals