Ophiosparte gigas Koehler 1922

are preyed upon by

• Global Biotic Interactions: Barrukia cristata (Willey 1902)
• Global Biotic Interactions: Glyptonotus antarcticus Eights 1852 (Giant Antarctic isopod)
• Global Biotic Interactions: Paramoera walkeri (Stebbing 1906)
• Global Biotic Interactions: Harmothoe spinosa Kinberg 1856
• Global Biotic Interactions: Labidiaster annulatus Sladen 1889 (Antarctic Sun Starfish)

eat

• Global Biotic Interactions: Fragilariopsis obliquecostata (van Heurck) Heiden 1928
• Global Biotic Interactions: Stellarima microtrias
• Global Biotic Interactions: Proboscia alata
• Global Biotic Interactions: Banquisia belgicae (Van Heurck) Paddock
• Global Biotic Interactions: Coscinodiscus ritscheri Hustedt 1958

prey on

• Global Biotic Interactions: Natatolana oculata Vanhöffen 1914
• Global Biotic Interactions: Homaxinella balfourensis (Ridley & Dendy 1886)
• Global Biotic Interactions: Neobuccinum eatoni (E. A. Smith 1875)
• Global Biotic Interactions: Themisto gaudichaudii Guérin 1825
• Global Biotic Interactions: Polymastia isidis Thiele 1905