Lecithochirium magnum (Yamaguti 1938) Nasir & Diaz 1971

are endoparasites of

• World Register of Marine Species: Synodus myops (Forster 1801) (snakefish) (adult)
• World Register of Marine Species: Saurida tumbil (Bloch 1795) (多齒蛇鯔) (adult)
• World Register of Marine Species: Gymnothorax javanicus (Bleeker 1859) (Giant moray)
• World Register of Marine Species: Gymnothorax woodwardi McCulloch 1912 (伍氏裸胸鱔)

geographic distribution

• World Register of Marine Species: Exmouth to Broome
• World Register of Marine Species: Houtman
• World Register of Marine Species: Japanese Exclusive Economic Zone

trophic guild

• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite