WHAT IS THIS!?!?

[justjes45]

Wierd... Cleaned my tank and found a couple of these.... Egg sacks?

 

[Lionfish Lair]

That looks like a withdrawn peanut worm.

 

[justjes45]

OOoooo never heard of that---
I will look it up!
Thanks!

 

[Diesel]

Marc @melev did write a article about them.
http://www.melevsreef.com/node/361

 

[whatchamacallit]

Peanut worm! They are cool to watch when the lights go out. Put that baby back in the tank! Pol

 

[reef lover]

Those things r the weirdest to watch...like little hoovers under the sand!