Because of their oft-extreme growth conditions, archaea are rarely regarded as pathogens; however, this does not mean there are no archaeal pathogens in the world. In fact, this small archaeon is one of the only known archaeal pathogens and feeds on another archaeal species. Nanoarchaeum equitans Ignicoccus hospitalis Pyrococcus furiosus Mycoplasma laboratorium .

1. Because of their oft-extreme growth conditions, archaea are rarely regarded as pathogens;
however, this does not mean there are no archaeal pathogens in the world. In fact, this small
archaeon is one of the only known archaeal pathogens and feeds on another archaeal species.
Nanoarchaeum equitans Ignicoccus hospitalis Pyrococcus furiosus Mycoplasma laboratorium