hitchhiker ID please

[xjiang7]

Found this guy in a piece of live rock in sump.
It comes out a small hole in the rock, looks like an earth worm/mouth of a fighting conch

 

[Diesel]

Google peanut worm as I don't think this is a Bobbit worm.

 

[GHsaltie]

+1 on peanut worm.

 

[xjiang7]

Google peanut worm as I don't think this is a Bobbit worm.

Looks like one. Never saw the whole worm though.