Giant goldfish threatening freshwater species in WA waterways, researchers find
Unwanted pet goldfish are being dumped into waterways and growing as large as 1.9 kilograms, researchers in Western Australia have found.
Dr Stephen Beatty from the school of Veterinary and Life Sciences at Perth's Murdoch University has been working on a control program for Busselton's Vasse River for the past 12 years.
http://www.abc.net.au/news/2016-08-1...rivers/7747824