Photo: Supplied
Hundreds of tuna (eels), including breeding stock thought to be 40 to 50 years old, have been found dead in the Waiatai Stream near Wairoa.
Darren Hill, whose family has farmed the land in the Waiatai Valley for generations, noticed something wasn't right on Sunday.
"My farm is near the Waiatai drain," Hill said.
"On Sunday, when I went to pump out of the main drain, all the eels in it around my pump area were on the surface trying to breathe.
"The colour of the water was shocking.
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