Lake trout in some northern Ontario lakes aren’t as big as they used to be, and a geneticist says it’s because of another ...

Toronto and Region Conservation Authority staff shared reports of dead alewife at Humber Bay Park West and elsewhere along Lake Ontario.

Fisheries and Livestock Adviser Farida Akhter on Wednesday emphasized the importance of protecting native fish species that are on the brink of extinction, calling for collective efforts to boost fish ...

They can reproduce and grow rapidly, crowding out native species by gobbling up small fish, crustaceans and other critters. This could make them a threat to commercial and recreational fishing.

He said an inspection found that the fish released were African catfish, a foreign species considered a threat to native fish and the surrounding riverbed ecosystem. “Upon receiving the complaint, my ...

Some invasive species, including northern snakeheads, are edible. Bowfin are a native Mississippi fish that resemble snakeheads but have a shorter anal fin. If you see it, kill it. An invasive ...

Lake sturgeon have long been culturally significant and nutritionally important to First Nations in Ontario, but dams and ...

The Great Lakes where sea lamprey control efforts were most cut during COVID-19 had the biggest surge of the invasive species ...

Some already threatened cold-water fish species ... all kinds of species migration that could lead to increased predation, competition and some localized extinctions of once native species in ...