Rhipidocotyle sphyraenae Yamaguti 1959

are endoparasites of

• World Register of Marine Species: Neoscombrops cynodon (Regan 1921) (裂鰭新鯥) (adult)
• World Register of Marine Species: Sphyraena obtusata Cuvier 1829 (鈍魣) (adult)
• World Register of Marine Species: Sphyraena pinguis Günther 1874 (油魣) (adult)

geographic distribution

• World Register of Marine Species: Mozambican Coast
• World Register of Marine Species: Japanese Exclusive Economic Zone
• World Register of Marine Species: Eastern India

trophic guild

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