This is a giant bacterium in real-time. It's big, fast and wiggly. But it is also harmless for us humans, just lives in the smelly mud of the pond bottom and hopes not to get disturbed by the crazy guy who likes to take mud home! . This one is a really big bacterium. I think it's around 400 microns, so it's almost half of a millimeter in length. I post about three types of microorganisms; . 1. The prokaryotes, these are the simplest organisms of them all. Like this giant bacterium, they are sing