Maritrema novaezealandense Martorelli, Fredensborg, Mouritsen & Poulin 2004

are preyed upon by

• Global Biotic Interactions: Drillactis leucomelos (Parry 1951)
• Global Biotic Interactions: Anthopleura hermaphroditica (Carlgren 1899)

have host

• Global Biotic Interactions: Zeacumantus subcarinatus (G. B. Sowerby II 1855)
• Global Biotic Interactions: Solanum lycopersicum L. (tomate)
• Global Biotic Interactions: Zeacumantus subcarinatus (G. B. Sowerby II 1855)

parasitize

• Global Biotic Interactions: Vanellus miles (Boddaert 1783)
• Global Biotic Interactions: Larus novaehollandiae
• Global Biotic Interactions: Halicarcinus whitei (Miers 1876)
• Global Biotic Interactions: Cephalophoxus regium (K. H. Barnard 1930)
• Global Biotic Interactions: Proharpinia stephenseni (Schellenberg 1931)