Ilyocryptus spinifer Herrick 1882

are preyed upon by

• Global Biotic Interactions: Gadus morhua Linnaeus 1758 (turska)
• Global Biotic Interactions: Fundulus diaphanus (Lesueur 1817) (Raitakilli)
• Global Biotic Interactions: Liriope tetraphylla (Chamisso & Eysenhardt 1821)
• Global Biotic Interactions: Heteromysis formosa
• Global Biotic Interactions: Gasterosteus aculeatus Linnaeus 1758 (kolmipiikki)
• Global Biotic Interactions: Americamysis bigelowi
• Global Biotic Interactions: Morone americana (Gmelin 1789) (Amerikanbassi)
• Global Biotic Interactions: Nemopsis bachei L. Agassiz 1849
• Global Biotic Interactions: Mugil cephalus Linnaeus 1758 (Juovakeltti)
• Global Biotic Interactions: Rhopilema verrilli (Fewkes 1887)
• Global Biotic Interactions: Dorosoma petenense (Günther 1867) (Rihmaeväsilli)
• Global Biotic Interactions: Syngnathus fuscus Storer 1839
• Global Biotic Interactions: Mnemiopsis leidyi A. Agassiz 1865 (Amerikankampamaneetti)
• Global Biotic Interactions: Alosa pseudoharengus (Wilson 1811) (harmaasilli)
• Global Biotic Interactions: Aurelia aurita (Linnaeus 1758) (korvameduusa)
• Global Biotic Interactions: Chrysaora quinquecirrha (Desor 1848)
• Global Biotic Interactions: Cyanea capillata (Linnaeus 1758) (hiusmeduusa)
• Global Biotic Interactions: Leptodora kindtii
• Global Biotic Interactions: Cyprinella spiloptera (Cope 1867)
• Global Biotic Interactions: Chrosomus eos Cope 1861
• Global Biotic Interactions: Semotilus atromaculatus (Mitchill 1818) (Juovakoskisärki)
• Global Biotic Interactions: Luxilus cornutus (Mitchill 1817) (Tulievähohtaja)
• Global Biotic Interactions: Chrosomus eos Cope 1861
• Global Biotic Interactions: Semotilus atromaculatus (Mitchill 1818) (Juovakoskisärki)
• Global Biotic Interactions: Neomysis americana (S. I. Smith 1873)