HUGE worm?

I dont know if this will help anyone with an ID but when I was pulling him out of the rock I let go for a second and it tried to retreat back in the rock but moved very slowly. After he was out of the rock he didn't realy seem to move at all. Either way I'm pretty sure it is dead or on his last legs at this point, but I don't think I was putting him back in the tank anyways

 

ugh, heebee jeebees

 

Definitely.

Google feather duster or possibly tube anemone and see what you come up with.

 

This was my initial thought after looking at the picture and before reading anyone elses comments.

 

After looking at photos online I don't think it was either a tube anemone or a feather duster (but then again I am the one asking for an ID ha) I do have two feather dusters in the tank who grow upwards and open day and night. This was under a large piece of rock (pure luck I saw it and thought it was a dead shrimp/fish) and the tip didn't have tentacles or furry "dusters" it kind of looked like it was expelling it's guts. Anyways I'm about to send it down the porcelain express, it's just creeping me out a little to much. I feel like it's going to attack me while I sleep.

 

No need to be grossed out. IMO both would be great hitch hikers. Feather dusters are harmless filter feeders, feeding on dissolved organics and other microplankton in the water column. While tube anemones are great looking additions, but have the potential to sting neighboring corals/slow moving or unhealthy fish. The tube anemone would require target feedings of mysid shrimp or krill.

Feather Duster (Hawaiian) -



Tube Anemone -



I would keep either, as it would be a great addition to any tank, but that's just me

 

See this thing looked nothing like the two pictures posted above... One of my feather dusters looks like that (hawaian) the other one has yellow dusters. The "thing" I pulled out didn't look like the anemone either... Just had a brown blob coming out the exposed end. Good or bad I've passed my 12 hour window of research And cut my losses and just got rid of it. I'm sure there is probably more of them in the tank if I ever find out what it was maybe I'll act differently next time. Thanks to everyone for your help.

 

Cut it open and I bet you find either the worm or the nem. The sand stuck to it is the give away that it's a tube that's been built by one or the other.