Fish Leech Infestation (Hirudinea sp.). Parasitic infestations (protozoa, worms, etc.)
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Koesharyani, I., D. Roza, K. Mahardika, F. Johnny, [N.] Zafran and K. Yuasa 2001 Manual for fish disease diagnosis: Marine fish and crustacean diseases in Indonesia. Gondol Research Station for Coastal Fisheries, Central Research Institute for Fisheries, Agency for Agricultural Research and Development and Japan International Cooperation Agency, Indonesia. 57 p. (Ref. 48690)
http://www.fishbase.org/references/FBRefSummary.php?id=48690&speccode=80
