What is this?

[redlinedcj]

 

[redlinedcj]

it came with my live rock, its very skiddish, its about 1-2 inches long. :thinking: it looks like a worm but very fast :happyfish

 

[michaeltx]

its just a worm if you watch them it can go out of the hole a long distance and still be in the hole and retract quickly but its very beneficial.
mike

 

[alyssia]

It might be a peanut worm.

 

[alyssia]

Here
https://www.saltwaterfish.com/vb/showthread.php?t=237636

 

[alyssia]

Here
https://www.saltwaterfish.com/vb/showthread.php?t=163864

 

[ssjkakarot]

it's a peanut worm it's good