Tilapia were first introduced into Australia in the 1970s as ornamental fish and are now regarded as one of the greatest threats to Australia's native biodiversity. Females carry juveniles and eggs in their mouths, and these can survive for a considerable time after the adult dies. Therefore, new incursions can occur when live or dead fish are released into a waterway.
Tilapia is a restricted noxious fish under the Biosecurity Act 2014.
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Oreochromis mossambicus and Tilapia mariae.
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