Littorina irrorata (Say 1822)

are eaten by

• Global Biotic Interactions: Plegadis falcinellus (Linnaeus 1766) (Glossy Ibis)

are host of

• Global Biotic Interactions: Pyrenocollema halodytes

are preyed upon by

• Global Biotic Interactions: Fundulus diaphanus (Lesueur 1817) (Banded Killifish)
• Global Biotic Interactions: Gasterosteus aculeatus Linnaeus 1758 (Banstickle)
• Global Biotic Interactions: Micropogonias undulatus (Linnaeus 1766) (Atlantic Croaker)
• Global Biotic Interactions: Ameiurus natalis (Lesueur 1819) (Yellow Bullhead)
• Global Biotic Interactions: Asterias forbesi (Desor 1848) (Forbes sea star)

body length

• Femorale: 21.6 mm (adult, single measurement)

type specimen repository

• GBIF national node type records France: museum national d'histoire naturelle (mnhn)