Evasterias troscheli

are eaten by

• Global Biotic Interactions: Solaster dawsoni Verrill 1880 (Morning sun star)
• Global Biotic Interactions: Pycnopodia helianthoides (Brandt 1835) (Sunflower star)
• Global Biotic Interactions: Solaster dawsoni Verrill 1880 (Morning sun star)
• Global Biotic Interactions: Enhydra lutris (Linnaeus 1758) (Sea Otter)
• Global Biotic Interactions: Pycnopodia helianthoides (Brandt 1835) (Sunflower star)

are preyed upon by

• Global Biotic Interactions: Pycnopodia helianthoides (Brandt 1835) (Sunflower star)
• Global Biotic Interactions: Solaster dawsoni Verrill 1880 (Morning sun star)
• Global Biotic Interactions: Solaster dawsoni Verrill 1880 (Morning sun star)

eat

• Global Biotic Interactions: Nucella lima (Gmelin 1791) (Rough purple)
• Global Biotic Interactions: Semibalanus cariosus (Pallas 1788) (thatched barnacle)
• Global Biotic Interactions: Lottia scutum (Rathke 1833)
• Global Biotic Interactions: Balanus glandula Darwin 1854
• Global Biotic Interactions: Testudinalia testudinalis (O. F. Müller 1776) (Atlantic Plate Limpet)

prey on

• Global Biotic Interactions: Lottia scutum (Rathke 1833)
• Global Biotic Interactions: Terebratalia transversa (Sowerby 1846)
• Global Biotic Interactions: Nucella lima (Gmelin 1791) (Rough purple)
• Global Biotic Interactions: Semibalanus balanoides (Linnaeus 1767) (Acorn barnacle)
• Global Biotic Interactions: Pododesmus macrochisma (Deshayes 1839) (Alaska jingle)