Pagetopsis maculatus Barsukov & Permitin 1958

are eaten by

• Global Biotic Interactions: Aptenodytes forsteri Gray & GR 1844 (Emperor Penguin)

are parasitized by

• Global Biotic Interactions: Aphanurus stossichi
• Global Biotic Interactions: Contracaecum osculatum
• Global Biotic Interactions: Lecithocladium magnacetabulum Yamaguti 1934
• Global Biotic Interactions: Glandicephalus perfoliatus (Railliet & Henry 1912) Markowski 1952
• Global Biotic Interactions: Anoplodiscus cirrusspiralis Roubal, Armitage & Rohde 1983

are preyed upon by

• Global Biotic Interactions: Pentanymphon antarcticum Hodgson 1904
• Global Biotic Interactions: Macrourus holotrachys Günther 1878 (Big-eye grenadier)
• Global Biotic Interactions: Ammothea carolinensis Leach 1814
• Global Biotic Interactions: Pagetopsis macropterus (Boulenger 1907)
• Global Biotic Interactions: Trematomus loennbergii Regan 1913 (Deepwater notothen)

have endoparasite

• Global Biotic Interactions: Contracaecum osculatum

prey on

• Global Biotic Interactions: Thysanoessa macrura G. O. Sars 1883
• Global Biotic Interactions: Protomyctophum bolini (Fraser-Brunner 1949) (Bolin’s lanternfish)
• Global Biotic Interactions: Gymnoscopelus braueri (Lönnberg 1905) (Brauer’s lanternfish)
• Global Biotic Interactions: Euphausia superba Dana 1850 (Antarctic Krill)
• Global Biotic Interactions: Electrona antarctica (Günther 1878) (Antarctic lanternfish)