https://www.wa.gov.au/service/primary-industries/quarantine/report-fish-kills-aquatic-pests-and-diseases
Report fish kills, aquatic pests and diseases | Western Australian Government
You can play an important part in aquatic biosecurity by reporting anything unusual you have seen or found, including a fish kill, which can be a sign of...
report fish killspests and diseasesaustralian governmentaquaticwestern