sponges?

[greggnyce]

I have some growths on the under side of some of my live rock.
They have a hole in the center. Are they sponges? are they bad?

 

[scrmbld33]

are they white and look like pineapples sort of?

 

[scrmbld33]

check here http://melevsreef.com/id/sponge.html

 

[greggnyce]

they are white but not like pineapples they are smooth. they are round and flat.

 

[Sk8r]

THat'll still be sponges, I'm betting.

 

[greggnyce]

Are they a bad thing to have in your tank?

 

[Kengaroo131]

no way there not bad there pretty neat actualy. can you post a pic maby?

 

[greggnyce]

I will post a pic tommorrow lights are out right now.

 

[Kengaroo131]

ooh ok then.