Please identify

[MZabel67]

 

[Ron Reefman]

It's blurry blue stuff! Really, that's all the better photo you could get?

 

[MZabel67]

It's blurry blue stuff! Really, that's all the better photo you could get?

 

[Ron Reefman]

Better photo, thanks. Maybe now somebody can ID it. I can't say I've ever seen anything quite like it.

 

[Fish Styx]

Please provide a photo under white lights.

 

[MZabel67]

Please provide a photo under white lights.

 

[stE25wy14]

please provide a non zoomed in photo plz, a sharp, non blurry photo, one that is parallel with the glass plz

 

[MZabel67]

please provide a non zoomed in photo plz, a sharp, non blurry photo, one that is parallel with the glass plz

 

[GSPClown94]

Looks like a sponge

 

[jhadaway117]

I've got those same sponges in my tank. They seem to prefer overhangs in spots with less light. I'm not really sure what kind they are but they haven't caused any issues.

 

[Sdoutreefer]

Looking like a sponge, based off the 3rd photo.

 

[SudzFD]

If a sponge let it be. Super beneficial filtration!