Peraeospinosus pushkini (Tzareva 1982)

are preyed upon by

• Global Biotic Interactions: Trematomus nicolai (Boulenger 1902) (Spotted notothen)
• Global Biotic Interactions: Isosicyonis alba (Studer 1879)
• Global Biotic Interactions: Heterophoxus videns K. H. Barnard 1930
• Global Biotic Interactions: Scolanthus intermedius (McMurrich 1893)
• Global Biotic Interactions: Artedidraco lonnbergi Roule 1913

eat

• Global Biotic Interactions: Fragilariopsis separanda
• Global Biotic Interactions: Thalassiosira gravida
• Global Biotic Interactions: Fragilariopsis ritscheri
• Global Biotic Interactions: Eucampia antarctica
• Global Biotic Interactions: Navicula glaciei

prey on

• Global Biotic Interactions: Anoxycalyx (Scolymastra) joubini (Topsent 1916) (Giant volcano sponge)
• Global Biotic Interactions: Haliclona tenella (Lendenfeld 1887)
• Global Biotic Interactions: Tentorium semisuberites (Schmidt 1870) (pavilion horny sponge)
• Global Biotic Interactions: Mycale (Oxymycale) acerata Kirkpatrick 1907
• Global Biotic Interactions: Tedania vanhoeffeni