Sipunculid

[mkaiman]

I just discovered and ID'ed these worms (aka peanut worms) x 3 living in some holes in my live rock. They're kind of grotesque in the way they eat. Their mouths are extented thru their pharynx. Kinda like Alien. Yuchhhh! Sounds like they are OK to have. Any comments?

 

[NaH2O]

Peanut worms are fine to have - enjoy them as part of your tank diversity. Here is some more information on them: Sipuncula aka Peanut Worm

This thread has some incredible photos! Peanut Worm Pics