Tests into what killed fish at estuary near Dunedin come back 'inconclusive'
The Otago Regional Council says it's unclear what killed hundreds of dead smelt, flounder, bullies, trout and inanga at the Kaikorai Estuary last month, but it can’t rule out the possibility that it was the culprit.
Water samples were taken at the site and the results, released on Monday, found no conclusive evidence pollution from upstream.
However, scientific advice suggested degrading water quality, high temperatures and the opening of the coastal mouth were all possible factors.
The council was now engaging an independent party to review the findings of the investigation.
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