Euplotes spp.

Creeping ciliates

  • 40 – 120 µm
  • Like Aspidisca, but larger and rarer
  • ribbed and transparent species, with more cilia bunches than Aspidisca spp. and cilia band in mouth area
  • colony-forming, rigid stalks without muscle, distinct bulge around mouth area
  • gently strips stalks of several species


In activated sludge and biofilms:

  • with good oxygen supply and low sludge load