Rhincalanus gigas Brady 1883

are eaten by

• Global Biotic Interactions: Symbolophorus barnardi (Tåning 1932) (Barnard's lanternfish)
• Global Biotic Interactions: Protomyctophum luciferum Hulley 1981 (Damsel lanternfish)
• Global Biotic Interactions: Electrona subaspera (Günther 1864) (Big-eye lantern-fish)
• Global Biotic Interactions: Benthosema suborbitale (Gilbert 1913) (Dimple lanternfish)
• Global Biotic Interactions: Symbolophorus boops (Richardson 1845) (Bogue lanternfish)

are preyed upon by

• Global Biotic Interactions: Protomyctophum choriodon Hulley 1981 (Gaptooth lanternfish)
• Global Biotic Interactions: Gymnoscopelus microlampas Hulley 1981 (Minispotted lanternfish)
• Global Biotic Interactions: Krefftichthys anderssoni (Lönnberg 1905) (Rhombic lanternfish)
• Global Biotic Interactions: Protomyctophum andriashevi Becker 1963 (Andriashev’s lanternfish)
• Global Biotic Interactions: Hygophum hanseni (Tåning 1932) (Hansen's lanternfish)

eat

• Global Biotic Interactions: Fragilariopsis obliquecostata (van Heurck) Heiden 1928
• Global Biotic Interactions: Fragilariopsis ritscheri
• Global Biotic Interactions: Fragilariopsis kerguelensis
• Global Biotic Interactions: Fragilaria nana
• Global Biotic Interactions: Proboscia truncata (Karsten) Nöthig & Ligowski

prey on

• Global Biotic Interactions: Euphausia superba Dana 1850 (Antarctic Krill)
• Global Biotic Interactions: Pseudosagitta gazellae (Ritter-Záhony 1909)
• Global Biotic Interactions: Metridia gerlachei Giesbrecht 1902
• Global Biotic Interactions: Antarctomysis ohlinii Hansen 1908
• Global Biotic Interactions: Eukrohnia hamata (Möbius 1875) (arrow worm)