Sponge? Tunicate?

[Palmer]

Hi everyone,

I am in my fourth week of cycling my tank and have a mixture of LR and baserock without any direct lighting. Today for the first time on my LR I noticed a hitchiker that looks like the small sponges in a picture at the link below. Perhaps the only difference is it is a bit more white than yellow. It looks like a fuzzy white cone with a hole at the top and it appeared out of nowhere. From what I have seen of pictures of tunicates they usually look translucent/clear?

If this is the kind of sponge in this picture is it potentially bad? From what I read on here sponges are usually good. But I also read an article that said some sponges damage coral etc?

thanks,

Palmer



http://www.reefs.org/hhfaq/sponges/p...view?b_start=0