Old-age Disease. Others
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Bassleer, G. 2003 The new ilustrated guide to fish diseases in ornamental tropical and pond fish. Bassleer Biofish, Stationstraat 130, 2235 Westmeerbeek, Belgium, 1st Edition, 232p. (Ref. 48502)
http://www.fishbase.org/references/FBRefSummary.php?id=48502&speccode=5247
