Hemidactylus mercatorius Gray 1842

are eaten by

• Global Biotic Interactions: Lycodryas pseudogranuliceps (Domergue 1995)

are preyed upon by

• Global Biotic Interactions: Prosymna stuhlmanni (Pfeffer 1893)
• Global Biotic Interactions: Boaedon lineatus A. M. C. Duméril, Bibron & A. H. A. Duméril 1854
• Global Biotic Interactions: Philothamnus hoplogaster (Günther 1863)