Once They Were Pets. Now Giant Goldfish Are Menacing the Great Lakes.

Released into the wild, the humble goldfish can grow to a monstrous size and destroy habitats for native species. Canadian researchers are tracking the fish, so that they might be culled.

Related Keywords

Boston ,Massachusetts ,United States ,Canada ,Burnsville ,New Brunswick ,Lake Ontario ,Canada General ,United Kingdom ,Toronto ,Ontario ,Australia ,Great Lakes ,Montreal ,Quebec ,America ,Anthony Ricciardi ,Nicholas Mandrak ,Mcgill University ,University Of Toronto Scarborough ,Journal Of Great Lakes Research ,East Asia ,Christine Boston ,Hamilton Harbour ,Great Lakes Research ,Toronto Scarborough ,North America ,Free Willy , ,Carp ,Invasive Species ,Research ,Pet ,Fisheries And Oceans Canada ,