World Register of Marine Species (WoRMS)
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Hydrichthys Fewkes, 1887. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=117123 on 2026-08-30
Fewkes, J.W., 1887. A hydroid parasitic on a fish. Nature, Lond. 36 : 604-605.
Jungersen, H.F.E., 1913. On a new gymnoblastic hydroid (Ichthyocodium sarcotretes ) epizoic on a new parasitic copepod (Sarcotretes scopeli) infesting Scopelus glacialis Rhdt. Vidensk. Meddr dansk naturh. Foren. 64 : 1-38, pls. 1-2.