Unciola irrorata Say 1818

are eaten by

• Global Biotic Interactions: Gadus morhua Linnaeus 1758 (turska)
• Global Biotic Interactions: Squatina dumeril Lesueur 1818 (Atlantinmerienkeli)
• Global Biotic Interactions: Helicolenus dactylopterus (Delaroche 1809) (Sinisuusimppu)
• Global Biotic Interactions: Zoarces americanus (Bloch & Schneider 1801)
• Global Biotic Interactions: Pseudopleuronectes americanus (Walbaum 1792) (Mustaselkäkampela)

are parasitized by

• Global Biotic Interactions: Oochoristica scelopori
• Global Biotic Interactions: Pseudoterranova decipiens (Krabbe 1878)

are preyed upon by

• Global Biotic Interactions: Cancer irroratus Say 1817
• Global Biotic Interactions: Etheostoma olmstedi Storer 1842
• Global Biotic Interactions: Membras martinica (Valenciennes 1835)
• Global Biotic Interactions: Fundulus diaphanus (Lesueur 1817) (Raitakilli)
• Global Biotic Interactions: Liriope tetraphylla (Chamisso & Eysenhardt 1821)

have endoparasite

• Global Biotic Interactions: Oochoristica scelopori
• Global Biotic Interactions: Pseudoterranova decipiens (Krabbe 1878)