• Mar 28, 2026 diatoms unnoticed living jewels in water : They are consumed by a wide range of microzooplankton, small fish, and filter feeders. Habitat Formation: Diatom frustules accumulate on the seafloor, creating diatomaceous earth, which forms habitats and influences sediment properties. Diversity of Diatoms: An Ocean of Variat BY Marilie Wintheiser