<prompt> Non-pathogenic amoebae isare-E. HistolycaE. ColiAcanthanmoebaE. Hamanni  <response>: NON PATHOGENIC AMOBAE ARE E.coli E.gingivalis E.dispar E.hamanni Endolimax nana Iodamoeba buetschlii TEXTBOOK OF MEDICAL PARASITOLOGY,BAVEJA,3RD EDITION,PAGE NO 15 