I changed my mind. These cannot be nematomorphs. They are too small. I'm going to say they are specifically parasitic bacteria, until I have a better definition. These are the same creatures which emerge from scalp debris in petri dish. I have not established if they evolve from similar bacteria found as mutations in e-coli. Although, I have established they grow from bacterial cultures.
They are sensitive to boric acid, but that's all I know at this point. Shroom