What could it be? Just appeared recently

[gavinrobinson]

Trying to figure out what it may be. Formed on the bottom of a frag plug, of course a dead frag now. Just showed up the past few days, and nothing has changed with the tank.

 

[Cpage101]

Trying to figure out what it may be. Formed on the bottom of a frag plug, of course a dead frag now. Just showed up the past few days, and nothing has changed with the tank. View attachment 214586

can you get a picture under white light it is to saturated with blues

 

[gavinrobinson]

 

[TPhan]

Are those tenacles or is it more plant like similar to a sea lettuce? Whats it look like when u flip it over?

 

[Cpage101]

View attachment 214587

thinking it’s a ball anemone

 

[dilligaf29]

It’s a sponge I have some on bottom of my rocks