Alacia belgicae

are eaten by

• Global Biotic Interactions: Antarctomysis ohlinii Hansen 1908

are preyed upon by

• Global Biotic Interactions: Artedidraco orianae Regan 1914
• Global Biotic Interactions: Gymnodraco acuticeps Boulenger 1902 (Ploughfish)
• Global Biotic Interactions: Callianira antarctica Chun 1897
• Global Biotic Interactions: Gymnoscopelus opisthopterus Fraser-Brunner 1949
• Global Biotic Interactions: Vibilia antarctica Stebbing 1888

eat

• Global Biotic Interactions: Chaetoceros flexuosum
• Global Biotic Interactions: Chaetoceros dichaeta
• Global Biotic Interactions: Fragilariopsis cylindrus
• Global Biotic Interactions: Microcalanus pygmaeus (Sars G. O. 1900)
• Global Biotic Interactions: Cymatocylis antarctica (Cleve 1901)

prey on

• Global Biotic Interactions: Amphidinium hadai Balech 1976