Pilumnus lacteus

are eaten by

• Global Biotic Interactions: Loligo plei
• Global Biotic Interactions: Neoniphon marianus (Cuvier 1829) (Longjaw Squirrelfish)
• Global Biotic Interactions: Ginglymostoma cirratum (Bonnaterre 1788) (Nurse Shark)
• Global Biotic Interactions: Pareques acuminatus (Bloch & Schneider 1801) (Cluck)
• Global Biotic Interactions: Cephalopholis cruentata (Lacepède 1802) (Coney Barbados)

are preyed upon by

• Global Biotic Interactions: Loligo plei
• Global Biotic Interactions: Neoniphon marianus (Cuvier 1829) (Longjaw Squirrelfish)
• Global Biotic Interactions: Cephalopholis cruentata (Lacepède 1802) (Coney Barbados)
• Global Biotic Interactions: Cephalopholis fulva (Linnaeus 1758) (Black Guativere)
• Global Biotic Interactions: Haemulon aurolineatum Cuvier 1830 (Caesar)

eat

• Global Biotic Interactions: Tritonicula bayeri
• Global Biotic Interactions: Cymatium femorale (Linnaeus 1758) (angular triton)
• Global Biotic Interactions: Macrostrombus costatus (Gmelin 1791)
• Global Biotic Interactions: Ammatophora typica (Canu & Bassler 1928)
• Global Biotic Interactions: Lima lima (Linnaeus 1758) (frilled file shell)

prey on

• Global Biotic Interactions: Spyridia filamentosa (Red algae)
• Global Biotic Interactions: Aplysia parvula Mörch 1863 (Dwarf sea hare)
• Global Biotic Interactions: Dermomurex pauperculus (C. B. Adams 1850)
• Global Biotic Interactions: Isostichopus badionotus (Selenka 1867) (Three-rowed Sea Cucumber)
• Global Biotic Interactions: Caribachlamys ornata (Lamarck 1819)