Something new to identify

[Grassman]

I thought these where new anenomes starting but then I remembered they looked the same a month ago when I bought the rock. Sorry for using video, but my camera and camera on the camcorder just couldn't get as close up and clear.

[ame="http://www.youtube.com/watch?v=Kh7KGZTDsLk"]YouTube - MOV007[/ame] <- 6 Megs

Thanks

 

[Bifferwine]

It's a sponge. Reef safe filter feeder.

 

[Grassman]

It's a sponge. Reef safe filter feeder.

Thanks Biff. Do they multiply quickly? Just scrap them off if I don't want them as I did the anenomes?

 

[Bifferwine]

Yeah, you can scrape them off. Some types (like q-tip sponges) multiply quickly. Others just grow slowly. I think having high-nutrient water helps them grow and spread faster.