A grain spill occurred near the web site of a mass fish death in Perth’s south around the very same time the fatalities began occurring, authorities have said.
Investigators are nonetheless unsure what caused the deaths in Cockburn Sound, with as several as 14 species of fish affected since they were very first noticed final month.
The Department of Fisheries believes a water top quality issue is responsible, but has been unable to identify a single definitive lead to.
Nevertheless the State Government has told Parliament that a canola spill occurred at the Kwinana Grain Jetty sometime amongst November 18-22.
The fish deaths had been initial noticed early on November 19.
“Even though this was cleaned up by Co-operative Bulk Handling, some may have entered Cockburn Sound,” Mental Wellness Minister Helen Morton told Parliament, answering on behalf of Environment Minister Albert Jacob.
“Analysis benefits of grain from this vessel from the Commonwealth Department of Agriculture indicates there had been no pesticides present in the samples taken.”
Authorities also confirmed they had received reports of individuals experiencing adverse reactions after swimming in Cockburn Sound, although some fishermen had raised concerns more than the impact on other wildlife.
Shooters and Fishers MP Rick Mazza, who has been questioning the Government on the dilemma in Parliament, said he was increasingly worried.
“It is truly concerning there has been a spill, particularly around these dates, and it is truly important there is a multi-agency investigation to see if there is any correlation in between the two,” Mr Mazza said.
Subjects: fishing-aquaculture, fish, states-and-territories, perth-6000, kwinana-beach-6167