Argentina elongata Hutton 1879

are eaten by

• Global Biotic Interactions: Megadyptes antipodes (Hombron & Jacquinot 1841) (بطريق أصفر العينين)
• Global Biotic Interactions: Arctocephalus forsteri (Lesson 1828) (فقمة فراء جنوب أستراليا)
• Global Biotic Interactions: Cyttus traversi Hutton 1872
• Global Biotic Interactions: Moroteuthopsis ingens (E. A. Smith 1881)

are preyed upon by

• Global Biotic Interactions: Phocarctos hookeri (Gray 1844) (أسد بحر نيوزيلندا)
• Global Biotic Interactions: Moroteuthopsis ingens (E. A. Smith 1881)
• Global Biotic Interactions: Macruronus novaezelandiae (Hector 1871)