St. Albert may have broken a provincial record by hauling in more than a tonne of invasive goldfish from two stormwater ponds this fall.
City crews used the pesticide Rotenone on the Edgewater and Ted Hole Park stormwater ponds earlier this fall to try to wipe out their populations of Asian goldfish.
Goldfish are an invasive species in Alberta that can outcompete native fish if released into the wild. They’ve been in the isolated Lacombe Lake Park for decades, but were only spotted in Edgewater in 2015 and in Ted Hole last spring. That sparked concern, as those ponds had a sewer link to the Sturgeon River.
Click on the following sentence to access the full story. The city broke out the pesticides on the advice of Alberta Environment after nets, electricity and winter’s icy grasp failed to eliminate the invaders.