Do I Have A Sponge Infestation?

[jsker]

Thanks for that! I love reading articles in advanced aquarist.

It is interesting that there is almost 8k types of sponges. I have two type that I can see, the pink and the white ish purple one. Nothing big though.:)

 

[Jimmyneptune]

Enjoy having them, they bring some variety that you were not even trying to put in your tank.