Periclimenes longicaudatus

are eaten by

• Global Biotic Interactions: Synalpheus townsendi Coutière 1909 (Townsend snapping shrimp)
• Global Biotic Interactions: Neoniphon marianus (Cuvier 1829) (Longjaw Squirrelfish)
• Global Biotic Interactions: Gonodactylus lacunatus
• Global Biotic Interactions: Haemulon aurolineatum Cuvier 1830 (Caesar)
• Global Biotic Interactions: Synalpheus spinifrons (H. Milne Edwards 1837)

eat

• Global Biotic Interactions: Quinqueloculina seminulum
• Global Biotic Interactions: Archaias angulatus (Fichtel & Moll 1798)
• Global Biotic Interactions: Rotorbinella rosea (d'Orbigny ex Guérin-Méneville 1832)
• Global Biotic Interactions: Laevipeneroplis proteus (d'Orbigny 1839)
• Global Biotic Interactions: Siphonina pulchra Cushman 1919