Palaemonetes vulgaris

are eaten by

• Global Biotic Interactions: Ariopsis felis (Linnaeus 1766) (Hardhead Catfish)
• Global Biotic Interactions: Lutjanus synagris (Linnaeus 1758) (Bream)
• Global Biotic Interactions: Mycteroperca microlepis (Goode & Bean 1879) (Charcoal Belly)
• Global Biotic Interactions: Podiceps auritus (Linnaeus 1758) (Horned Grebe)
• Global Biotic Interactions: Euthynnus alletteratus (Rafinesque 1810) (Atlantic Little Tuna)

are parasitized by

• Global Biotic Interactions: Pseudoterranova decipiens (Krabbe 1878)

are preyed upon by

• Global Biotic Interactions: Tursiops truncatus (Montagu 1821) (bottle-nosed dophin, common bottle-nosed dolphin)
• Global Biotic Interactions: Cancer irroratus Say 1817 (Atlantic Rock Crab)
• Global Biotic Interactions: Strongylura marina (Walbaum 1792) (Agujon)
• Global Biotic Interactions: Urophycis regia (Walbaum 1792) (Spotted Codling)
• Global Biotic Interactions: Morone americana (Gmelin 1789) (White Perch)

have endoparasite

• Global Biotic Interactions: Pseudoterranova decipiens (Krabbe 1878)

prey on

• Global Biotic Interactions: Diacyclops bicuspidatus (Claus 1857)
• Global Biotic Interactions: Cymadusa compta (S. I. Smith ex Verrill 1873)
• Global Biotic Interactions: Labidocera aestiva Wheeler 1900
• Global Biotic Interactions: Euterpina acutifrons (Dana 1847)
• Global Biotic Interactions: Echinogammarus stoerensis