Snail or worm or?

[Jeeper]

I have a hundred or so of these things in my tank and I went through 40 or so pages on the hitchhiker thread on the other reef forum with no luck. There is two crossed in the middle of the picture. There is no body and they get thicker as they go out. I have seen one or two on the glass and they don't have a body or shell. They do reel in and the size retracted is about 1/4 of the expanded length.

 

[cmcoker]

Digitate Hydroids?

 

[Lionfish Lair]

+1

Here's some that were in my tank. They were blown around too much to have an notable movement of their own.

 

[Jeeper]

Thats the things... Joy

I read where they sometimes go away on their own? My tank has been going through a fallow period and other than dropping in some pellets for my hermits maybe once a week I have not been feeding the tank...

 

[BlueDevil]

Wow! I had not heard of these before and from reading up about them, they can be quite a pita to get rid of! Not to mention they have a pretty nasty sting too.

 

[Mark75]

I have had them and found they are just a stage,...as my tank aged they disappeared. They have a nasty sting and will annoy corals to the point of killing them.

 

[Jeeper]

Tank has just been up since the end of Dec... I have some zoas that they are pestering. Everything else seems not to mind them.

 

[Jeeper]

Tank has just been up since the end of Dec... I have some zoas that they are pestering. Everything else seems not to mind them. Most of the red ones are closed now. This picture was a few days ago. I moved them thinking maybe they were getting too much light but those hydroids were near that side. The sps doesn't seem to be bothered.

 

[Reeflogic]

Pretty much what Mark said, they will die off eventually. They can pester corals but typically will not kill anything. They essentially starve out.

 

[saltyphish]

I superglue them in the hole they come out of

 

[cmcoker]

I superglue them in the hole they come out of

I've done that when they were bugging a coral