Keratella crassa Ahlstrom 1943

are preyed upon by

• Global Biotic Interactions: Fundulus diaphanus (Lesueur 1817) (Banded Killifish)
• Global Biotic Interactions: Lepomis gibbosus (Linnaeus 1758) (Pumpkinseed)
• Global Biotic Interactions: Diacyclops bicuspidatus (Claus 1857)
• Global Biotic Interactions: Cyclops vernalis
• Global Biotic Interactions: Cyclops scutifer
• Global Biotic Interactions: Tropocyclops prasinus
• Global Biotic Interactions: Eucyclops agilis
• Global Biotic Interactions: Epischura lacustris Forbes S. A. 1882
• Global Biotic Interactions: Perca flavescens (Mitchill 1814) (Yellow Perch)
• Global Biotic Interactions: Leptodora kindtii
• Global Biotic Interactions: Pimephales promelas Rafinesque 1820 (Fathead Minnow)
• Global Biotic Interactions: Semotilus atromaculatus (Mitchill 1818) (Creek Chub)
• Global Biotic Interactions: Semotilus corporalis (Mitchill 1817) (Fallfish)
• Global Biotic Interactions: Notemigonus crysoleucas (Mitchill 1814) (Golden Shiner)
• Global Biotic Interactions: Ambloplites rupestris (Rafinesque 1817) (Rock Bass)
• Global Biotic Interactions: Luxilus cornutus (Mitchill 1817) (Common Shiner)
• Global Biotic Interactions: Chrosomus eos Cope 1861 (Northern Redbelly Dace)
• Global Biotic Interactions: Mesocyclops edax (Forbes 1891)