What are these 2 things?

[allgoodsystems]

Forgive my beginerness but can someone tell me what these two things are growing on my live rock? Thanks

 

[BuddhaKiss]

The first pic is a type of fan worm...the second looks like a pineapple sponge. Both are filter feeders and harmless.

 

[allgoodsystems]

<a href=showthread.php?s=&postid=15387667#post15387667 target=_blank>Originally posted</a> by BuddhaKiss
The first pic is a type of fan worm...the second looks like a pineapple sponge. Both are filter feeders and harmless.

Great. Thanks