Researchers in Western Australia have found that unwanted pet goldfish dumped into rivers were growing as large as 1.9 kg and damaging the habitat of other native fishes found in the waterways....
Monster Pet Goldfish a Menace to Australian Wild Life
Researchers in Western Australia have found that unwanted pet goldfish dumped into rivers were growing as large as 1.9 kg and damaging the habitat of other native fishes found in the waterways....