Pilumnus pannosus

are eaten by

• Global Biotic Interactions: Loligo plei
• Global Biotic Interactions: Neoniphon marianus (Cuvier 1829) (海新東洋鰃)
• Global Biotic Interactions: Pareques acuminatus (Bloch & Schneider 1801) (銳高鰭䱛)
• Global Biotic Interactions: Pareques acuminatus (Bloch & Schneider 1801) (銳高鰭䱛)
• Global Biotic Interactions: Ginglymostoma cirratum (Bonnaterre 1788) (鉸口鯊)

eat

• Global Biotic Interactions: Monoplex vespaceus (Lamarck 1822) (蜜蜂法螺)
• Global Biotic Interactions: Stypopodium zonale
• Global Biotic Interactions: Tritonia hamnerorum Gosliner & Ghiselin 1987
• Global Biotic Interactions: Phragmatopoma caudata Krøyer ex Mörch 1863
• Global Biotic Interactions: Verongula reiswigi Alcolado 1984