strings

Hello everyone. I have attached 3 pictures of this white stringy stuff that appeared two days ago in my tank. I assume it is bacteria? Can anyone confirm or correct this? Thank you!

I bought a Lobo that came with something on the base that is putting out a "fishing line" I expect for feeding. Not from the Lobo itself. I don't have a picture of where it's coming from, but the line is out pretty regularly. What might it be? I don't want to dislodge the Lobo to get a look...

Hey guys, thanks in advance for any help. I’m hoping for some help IDing a wormlike hitch hiker based on description alone. I apologize I did not manage to get a photo of this thing as it only seemed to come out after lights off and it was super thin, the camera would not focus. I will try to...