What is it?
 

What is this? It has a few small tentacles that come out of it at night and grab onto food. Its around 1cm tall.

http://www.canreef.com/vbulletin/pic...pictureid=4088

spionid worm, detritovore = good :biggrin:

http://www.xtalworld.com/Aquarium/hitchfaq.htm

Okay so its something I want! Well that seems to be a first in my tank for hitchhikers!