Is this a sponge?

[Piratefish]

I just noticed this today along with the tiny snails is it a sponge?

 

[Bifferwine]

It looks like a sponge to me!

 

[Piratefish]

I m hoping this is a good sign of a healthy tank. do they get big?

 

[Sharkie]

tis a sponge :) i believe that sponges are a good sign, they are filter feeders and help keep your tanks water clean :) my sisters little tank has tons of pineapple sponges right now and they look great :)

 

[Piratefish]

:^:GREAT !! The tank has been up and running now for 14 days:^: