What alre theese little guys?

[randomfishdude]

Found theese little guys on my left overflow when u was looking in it. Due to the leak that started happening.
They are probobly nonphitosynthetic. I don't think that much light reaches this part of my overflow.

 

[paparoof]

Pineapple sponges. Harmless.

 

[randomfishdude]

Oh cool.
I guess thoes guys are about to die. :(