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Fish Kills

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Epizootic haematopoietic necrosis virus (EHNV) is a lethal virus that infects fish through the body surface or gastrointestinal tract. Once in the host, it multiplies in the blood forming organs such as the spleen and kidney and destroys them in the process, ultimately killing the fish. EHNV is only present in Australia, endemic to catchments
Like many other important native freshwater fish species within the Murray Darling Basin, Golden perch (Macquaria ambigua) were immensely impacted by the 2018-19 fish kills in the lower Darling River.  A 2021 study involving 18 researchers (by Zampatti et.al) looked into the species’ historical and current population demographics in the Darling River. The study provided guidance on how best to manage our
In the summer of 2018-19, after two years of low flows in the lower Darling Baaka River in western New South Wales, a series of three mass fish kills occurred near Menindee, resulting in the deaths of millions of native fish. The size of the fish kills was unprecedented, with millions of native Bony herring