scypha sponge

jonthefb

Dolphin
M.A.S.C Club Member
#3
They are really harmless and are a good indicator of tank matureness. Angels, tangs, will pick on them, but I wouldn't rely on them for control. Manual removal would be the best for control.
 

ChrisB

Butterfly Fish
#4
My over flow if stuffed with these things. But only a few in my display. not sure whats keeping them down there.
 
Top