Any ideas what this is?

[04scoobysti]

This just showed up on the side of one of my trumpet corals below the tissue.

http://i172.photobucket.com/albums/w40/04scoobysti/IMG_03631.jpg

any ideas what it is? Its brownish purple in color and as white vein like structures in it. Maybe some sort of sponge?

[KrazyKuch]

i can't see what your talking about in the photo

[justinl]

my first guess would be some kind of sponge or tunicate but I can't tell from the pic. Is it possible to get a better close up?