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Fish Kill in Lower Collie River

Fish Kill in Lower Collie River
02 Jun 2023

The Department of Water and Environmental Regulation (DWER) is investigating a fish kill on the Lower Collie River.

The Department of Water and Environmental Regulation (DWER) is investigating a fish kill on the Lower Collie River between the Danjoo Koorliny bridge (Eaton Drive) where it intersects with the Brunswick River, in Australind.

Approximately 400 black bream and a small number of mulloway have been impacted.

DWER scientists have identified a potentially harmful algal bloom, which may be affecting fish health directly.

In the meantime, the public is urged to stay safe by following the general Department of Health fish kill advice:

  • not to swim in areas of water with large numbers of dead and decomposing fish because they may contain high levels of bacteria and have an objectionable odour;
  • not to fish in water with large numbers of dead fish;
  • temporarily not to collect or consume fish from the waters near a fish kill;
  • not to collect and use dead fish for bait or consumption because of the risk of high levels of bacteria; and
  • not to allow pets and other animals to come into contact with dead or decomposing fish either in the water or on shore.​

DWER will continue to maintain a watching brief and is encouraging the public to use the FishWatch Hotline 1800 815 507 to report further fish kills.