Calanus finmarchicus

are eaten by

• Global Biotic Interactions: Periphylla periphylla (Péron & Lesueur 1810)
• Global Biotic Interactions: Meganyctiphanes norvegica (M. Sars 1857)
• Global Biotic Interactions: Balaenoptera physalus (Linnaeus 1758)
• Global Biotic Interactions: Alle alle (Linnaeus 1758) (Torda-anã)
• Global Biotic Interactions: Balaena mysticetus Linnaeus 1758

are preyed upon by

• Global Biotic Interactions: Periphylla periphylla (Péron & Lesueur 1810)
• Global Biotic Interactions: Mallotus villosus (Müller 1776)
• Global Biotic Interactions: Clupea harengus Linnaeus 1758
• Global Biotic Interactions: Scomber scombrus Linnaeus 1758 (Carapau)
• Global Biotic Interactions: Pollachius virens (Linnaeus 1758)

eat

• Global Biotic Interactions: Phaeocystis pouchetii