Acanthonyx quadridentatus

are preyed upon by

• Global Biotic Interactions: Charybdis natator

eat

• Global Biotic Interactions: Sargassum polycystum (Brown seaweed)
• Global Biotic Interactions: Dictyopteris macrocarpa (Areschoug) O. C. Schmidt 1938
• Global Biotic Interactions: Parvocaulis parvulus
• Global Biotic Interactions: Laurencia pumila
• Global Biotic Interactions: Caulerpa cupressoides