Alacia belgicae

are preyed upon by

• Global Biotic Interactions: Trematomus newnesi Boulenger 1902

prey on

• Global Biotic Interactions: Cymatocylis antarctica (Cleve 1901)
• Global Biotic Interactions: Microcalanus pygmaeus (Sars G. O. 1900)
• Global Biotic Interactions: Euphausia superba Dana 1850
• Global Biotic Interactions: Eukrohnia hamata (Möbius 1875)
• Global Biotic Interactions: Octactis speculum (Ehrenberg) F. H. Chang, J. M. Grieve & J. E. Sutherland 2017