News & Events

Redclaw crayfish – Freshwater pest fact sheet

The Department of Primary Industries and Regional Development (DPIRD) has just released a biosecurity alert and PDF fact sheet regarding the presence of the invasive freshwater Redclaw crayfish (Cherax quadricarinatus) in Western Australia.

Redclaw are native to Queensland, the Northern Territory and areas of Southern Papua New Guinea, however, recently they have been translocated into areas of Western Australia. Originally found in Ord River in the 2000s, they have since spread and can be found throughout areas of the Kimberley and Pilbara.

WRM have worked with the Department of Biodiversity, Conservation and Attractions (DBCA) to document the distribution and invasive habits of Redclaw throughout the natural waters of the Pilbara regions (

All information regarding the sighting or catching of Redclaw crayfish throughout Western Australia should be reported to DPIRD or your local Fisheries office (please refer to the following document).

Freshwater pest fact sheet – Redclaw crayfish