Alberta city guts ponds of invasive 'monster' goldfish

The City of St. Albert is battling an invasive species of goldfish by pumping chemicals into two infested stormwater ponds.

Viral images of giant goldfish in U.S. lake spotlight dangers of invasive aquatic pets

Rink keeper insists stormwater pond rink is safe, despite Epcor warning

Giant goldfish invading Alberta ponds

Partner Perspective: Goldfish in Alberta

Monster' goldfish threaten native species in Alberta ponds

Football-size goldfish are taking over US lakes

Invasive Goldfish Found in Pond

Canadian city battles thousands of 'monster' goldfish

Partner Perspective: Goldfish in Alberta

Giant goldfish multiplying in Alberta ponds