What and what kind of thing is this?????

[MantisO_o]

I think its a worm and if it is a worm what kind??? but if not what is it??? found this when i was cleaning out my tanks and at 1st it was like a rubber like it...up untill it started moving....so yah help! thanks

 

[Yum Cimil]

It looks like it could be a peanut worm, if so it’s ok and common to have in your tank.

 

[MantisO_o]

peanut worm?

 

[LeslieH]

Phylum Sipuncula. They're all detritus feeders that use a circle of feeding tentacles to pick up particles from the bottom. You can learn more about them here:
http://www.reefkeeping.com/issues/2004-04/rs/index.php

 

[MantisO_o]

thank you!