IUCN threat status:

Least Concern (LC)


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Range Description

This species is endemic to South-west Australia. Originally, it had a restricted distribution in the southwest of Western Australia, but has since naturally expanded its range from Esperance to Geraldton (Department of Fisheries 2008). However, it has been widely transplanted in both natural and artificial water bodies and is now widespread throughout the South-west of Western Australia. It has been introduced to South Australia, New South Wales, Kangaroo Island off the coast of Adelaide, Queensland, and Victoria, where feral populations have become established (Austin and Ryan 2002, J. Bunn pers. comm. 2008). Two self-sustaining populations are known in Victoria, on the Mornington Peninsular, southeast of Melbourne. Both populations occur in artificial waterbodies namely Devilbend reservoir and O.T. Dam (Bryant and Papas 2007).

In addition, this species has been translocated to North America (Merrick and Lambert 1991, Lawrence and Morrissy 2000), South Africa (Lawrence and Morrissy 2000), New Zealand (McDowall 1988), Japan, Zimbabwe, China, Chile and the Caribbean (Lawrence and Morrissy 2000).

This species has a distribution exceeding 243,600 km2.


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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