Tilapia were first introduced to Australia in the 1970s for the aquarium industry. Since then they have steadily expanded their range in Queensland and Western Australia, and have recently been reported from the northern rivers of New South Wales. The geographic range of tilapia in Australia has primarily been expanded by recreational fishers. However, biological … Continue reading The Invasion of Australia’s Aquatic Ecosystems by Tilapia: Consequences of the ‘Free-Ride’