Silver perch Bidyanus bidyanus, is a freshwater finfish species exotic to Western Australia, and has been imported into this State since 1950 for the purpose of stocking inland farm dams . Imports have only been allowed under licence, subject to diseasefree certification and on the basis that the fish were being placed into impounded or confined waters. Lawrence 1995 discussed the prospects for aquaculture of silver perch in Western Australia and since then the industry has only expanded slowly. A similar pattern existed in the early days of the silver perch industry in NSW, where rapid progress is now being made, and this species should still be regarded as having significant potential in WA. However, its limited salinity tolerance may restrict its usage for highly saline inland waters. This publication updates the information provided by Lawrence 1995.

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