I'm a BIG DUMAS!

i've been thinking this funky growth on my pico is sponge for the past few weeks. it's the stolons for the "moss coral" right below. they're growing onto the glass. so you can now see how fast these buggers can really grow! i thought it was growing weird for a sponge (too geometric/orderly imo). you can see a couple of polyps sprouting out now on the glass.

sorry for the mis-ID. <smack-forehead> i'd been seeing a lot of sponge growth recently so i just thought it was another sponge. sowwy.