Pathogenic
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Revision as of 07:04, 24 February 2011 by PsiProBot (talk | contribs) (→Links: clean up, replaced: [http://en.wikipedia.org/wiki/Pathogenic Pathogen - Wikipedia] → Pathogen - Wikipedia)
Pathogen or infectious agent.
It is a biological agent (like Bacteria, Viruses, Protozoa, Prions, Fungi or Parasites) that causes disease or illness to its host (in this case the aquatic animal).