Palaemonetes vulgaris

are eaten by

• Global Biotic Interactions: Ariopsis felis (Linnaeus 1766)
• Global Biotic Interactions: Lutjanus synagris (Linnaeus 1758) (juovanapsija)
• Global Biotic Interactions: Mycteroperca microlepis (Goode & Bean 1879)
• Global Biotic Interactions: Podiceps auritus (Linnaeus 1758) (mustakurkku-uikku)
• Global Biotic Interactions: Euthynnus alletteratus (Rafinesque 1810) (Tunniina)

are parasitized by

• Global Biotic Interactions: Pseudoterranova decipiens (Krabbe 1878)

are preyed upon by

• Global Biotic Interactions: Tursiops truncatus (Montagu 1821) (pullokuonodelfiini)
• Global Biotic Interactions: Cancer irroratus Say 1817
• Global Biotic Interactions: Strongylura marina (Walbaum 1792) (Atlantinnokkakala)
• Global Biotic Interactions: Urophycis regia (Walbaum 1792)
• Global Biotic Interactions: Morone americana (Gmelin 1789) (Amerikanbassi)

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