Aspersentis megarhynchus (von Linstow 1892)

are endoparasites of

• Global Biotic Interactions: Hippomedon kergueleni (Miers 1875)
• Global Biotic Interactions: Orchomenella rotundifrons K. H. Barnard 1932
• Global Biotic Interactions: Gondogeneia antarctica (Chevreux 1906)
• Global Biotic Interactions: Notothenia rossii Richardson 1844 (Marbled rockcod)
• Global Biotic Interactions: Bovallia gigantea Pfeffer 1888

have host

• Global Biotic Interactions: Notothenia coriiceps Richardson 1844 (Black rockcod)
• Global Biotic Interactions: Notothenia coriiceps Richardson 1844 (Black rockcod)
• Global Biotic Interactions: Notothenia coriiceps Richardson 1844 (Black rockcod)

parasitize

• Global Biotic Interactions: Lindbergichthys mizops (Günther 1880) (Toad notie)
• Global Biotic Interactions: Gondogeneia antarctica (Chevreux 1906)
• Global Biotic Interactions: Notothenia cyanobrancha Richardson 1844 (Blue rockcod)
• Global Biotic Interactions: Parachaenichthys georgianus (Fischer 1885)
• Global Biotic Interactions: Lepidonotothen squamifrons (Günther 1880) (Grey rockcod)