Can you ID these Worms?

[digitaledge]

 

[dippin61]

A chaetopterid or Spionid worm

http://www.reefkeeping.com/issues/2003-05/rs/index.php

 

[kmk2307]

No, I believe that is a "peanut worm" (Phylum Sipuncula). They are beneficial detritovores.

Kevin

 

[Sk8r]

The front one is a spionid and the back one a sipunculid.

 

[dippin61]

haha.. i didnt even see the peanut worm in the back lol.. i was referring to the front worm.

 

[kmk2307]

Likewise, lol.

 

[cokemanmark]

i think i have thos efront ones in my tank

 

[romunov]

I have seen these polychaete in dense numbers, especially in tanks (obviously live rock) and coarser sand.