Goldfish compete with native fish for food, potentially threatening an ecosystem.
Lyndon Haskey said the water came alive with jackfish when he was checking a flooded pasture.
A video posted to social media shows the seal sunbathing on a floating dock in Laval, close to where the Mille Îles River joins the St. Lawrence River.
Officials say the combination of warm temperatures and rainfall is beginning to trigger significant runoff into the Grand River watershed.
The warning from New Brunswick's chief medical officer of health comes less than a week after three dogs died as a result of what is suspected to be a blue-green algae bloom.
It happened Thursday night and into Friday morning, when the Crown corporation reduced the spill release from the Daisy Lake Reservoir into the river, stranding fish who had moved closer to the banks.
“It’s extremely rare. For the Quebec Mammal Emergency Network it’s a first,” said Marie-Ève Muller, a spokesperson for GREMM. “We’ve had minke whales before, belugas but for such large whale like a humpback whale, it’s a first.”
Ottawa River water levels in the city are all now higher then they were in 2017, which is the record-setting benchmark the city has been using throughout the flooding.
The Dongjiang River, which provides more than 90 percent of the water consumed in Shenzhen, is facing the severest drought since 1963, the year with the lowest precipitation recorded in the city. The water level in the three main water reservoirs is now more than 55 percent lower than in previous years according to Zhang Jian'an, Shenzhen water resources authority official, media reported.
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