Leptinogaster major (Williams 1907)

are preyed upon by

• Global Biotic Interactions: Rhincalanus nasutus Giesbrecht 1888
• Global Biotic Interactions: Scomber japonicus Houttuyn 1782 (Bis)
• Global Biotic Interactions: Clione limacina (Phipps 1774) (Papillon de mer)
• Global Biotic Interactions: Membras martinica (Valenciennes 1835)
• Global Biotic Interactions: Etheostoma olmstedi Storer 1842 (Raseux-de-terre gris)

prey on

• Global Biotic Interactions: Oithona colcarva Bowman 1975
• Global Biotic Interactions: Labidocera wollastoni (Lubbock 1857)
• Global Biotic Interactions: Goniopsyllus rostratus Brady 1883
• Global Biotic Interactions: Acanthocyclops vernalis
• Global Biotic Interactions: Tortanus discaudatus