What the heck is this?!?

[shark32]

Hi,

I was feeding my tank today and I was looking around and saw this 'trunk like' thing waving around from in one of my rocks.. Any ideas of what it is? It seems like it changed colors from blackish gray to white at some point...
Thanks!

 

[arieln92]

it looks like a peanut worm

 

[shark32]

Thx arieln92!! That's what he is! Glad he's a keeper!