zoogleas

/ˈzoʊɡliəz/
noun
  1. A gelatinous mass of bacteria or other microorganisms, often found in water or on surfaces.
    • The pond water had a slimy layer of zoogleas on the surface.
    • Under the microscope, the zoogleas looked like a jelly-like cluster of tiny cells.
    • The filter in the aquarium was clogged with zoogleas from the bacteria.