Ectocyclops phaleratus

are parasitized by

• Global Biotic Interactions: Contracaecum rudolphii

are preyed upon by

• Global Biotic Interactions: Rhincalanus nasutus Giesbrecht 1888
• Global Biotic Interactions: Scomber japonicus Houttuyn 1782
• Global Biotic Interactions: Membras martinica (Valenciennes 1835)
• Global Biotic Interactions: Etheostoma olmstedi Storer 1842
• Global Biotic Interactions: Clione limacina (Phipps 1774)

have endoparasite

• Global Biotic Interactions: Contracaecum rudolphii

prey on

• Global Biotic Interactions: Temora stylifera (Dana 1849)
• Global Biotic Interactions: Pontella meadi
• Global Biotic Interactions: Diacyclops thomasi (Forbes S. A. 1882)
• Global Biotic Interactions: Centropages hamatus (Lilljeborg 1853)
• Global Biotic Interactions: Eurytemora americana Williams 1906