what is in my live rock??

[NanoPerson67]

hey guys... so anyways i was just looking at my tank and i see 2, 1 inch tenticles coming out of my live rock..... then it goes back inside.... what kind of things live in live rock?? what do u think it could be?? tube worm??? bristle worm???

 

[NYreefNoob]

do a little research, will also help you learn about the hobby and all the living animals
http://www.wetwebmedia.com/swcrabidfaqs.htm
this is crabs but they have sections on everything