White fungus in tank

[Ody]

Does anybody know what this fungus looking thing is growing on the live rock if you look at the pics it's in between the Xenia thanks

 

[tanner1990]

I can't really tell its not clear enough

Do I have more pics

 

[manbeast]

looks to be some sort of sponge, harmless filter feeder

 

[Ody]

Thanks good to no

 

[manbeast]

my gsp frag came with two on the underside, one white like yours and a much smaller orange one, they've been on for a while with no I'll effect although one of my short spine urchins ate half the white one

 

[Ody]

So looks like my urchin has a snack lol