np.. Please find the info @ content tagged.. it is from PFK magazine. Issue 08 July 2013. You can get them from magazine store. Cheers and Happy Reefing...
Bro James,
from your description, it looks like Syconoid sponges. Try google to match.. Cheers...
any of them looks like below image?
Cheers and Happy Reefing..
you mean tunicate? not too sure. may be try take more picture to match.. The shape assembly like pest flatworm. never see tunicate growth on the glass? Cheers..