Ommatokoita elongata (copepod) is a parasite of the species, attached to the cornea of its eye (Ref. 5951).
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Compagno, L.J.V., D.A. Ebert and M.J. Smale 1989 Guide to the sharks and rays of southern Africa. New Holland (Publ.) Ltd., London. 158 p.
http://www.fishbase.org/references/FBRefSummary.php?id=5578
