An alarming fish kill on the Darling River at Menindee in outback NSW shows what is believed to be as many as a million dead fish.
It has been the site of several mass fish kill events in recent years, with 25-mile algae bloom blamed for the death of hundreds of thousands of fish in 2019.
An Australian Department of Primary Industries spokesman told news.com.au that an estimated “one million fish, predominantly Bony Herring have been affected, as well as smaller numbers of other large-bodied species such as Murray Cod, Golden Perch, Silver Perth and Carp”.Officials say it’s due to a heatwave.“This event is ongoing as a heatwave across western NSW continues to put further stress on a system that has experienced extreme conditions from wide-scale flooding,” the spokesman said.
“These fish deaths are related to low oxygen levels in the water as flood waters recede,” the DPI spokesman said. “Significant volumes of fish including Carp and Bony Herring, nutrients and organic matter from the flood plain are being concentrated back into the river channel.
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